scholarly journals COMPARISON OF TIMBAL LEVELS (Pb) ON BLOOD SHELLS (Anadara granosa) AND BAKAU (Shell Telescopium telescopium) IN PLACE AUCTION OF FISH (TPI) LAPPA SINJAI DISTRICT

2020 ◽  
Vol 15 (2) ◽  
pp. 137
Author(s):  
Rahmawati Rahmawati ◽  
Wa Ode Rustiah ◽  
Nurhidayat Nurhidayat ◽  
Novie Rezkiyana Dewi
Keyword(s):  
Heavy Metals ◽  
Atomic Absorption ◽  
Negative Impact ◽  
The Body ◽  
Atomic Absorption Spectrophotometer ◽  
National Standard ◽  
P Value ◽  
Marine Animals ◽  
Significant Difference ◽  
Anadara Granosa

Shellfish is one of the sea products that is very popular with the community including the community in Sinjai Regency as a potential coastal and fishery resources that have a fish auction place (TPI). Shellfish are one of the most efficient marine animals to accumulate heavy metals. This is due to the fact that shellfish live in the bottom sedimentary layer of water, move very slowly, and their food comes from detritus in the bottom waters, so the chance of entering heavy metals into the body is very large. Shells can be contaminated by lead (Pb) which enters the body of water through the crystallization of lead in the air with the help of rain water. Lead which accumulates in water and sediments will enter the water and accumulate in the water causing toxic effects on the organisms in it, including some types of shellfish. If humans consume shells that contain heavy metals in high enough quantities will have a negative impact on health. In the human body, heavy metals will combine with active enzymes to become inactive enzymes, so the synthesis of red blood grains (Hb) can be inhibited, consequently it can cause anemia. The purpose of the study was to determine lead content (Pb) in the sample of shellfish. The object of research is blood shells and mangrove shells, analyzed using the Atomic Absorption Spectrophotometer (SSA) method with a total sample of 10. The results obtained by lead (Pb) in blood shells (Anadara granosa) with an average of 0.0439 mg / kg while the mangrove shells (Telescopium telescopium) with an average of 0.0176 mg / kg. Both shellfish samples did not exceed the maximum limit set by the Indonesian National Standard (SNI) of 1.5 mg / kg. Based on the data analysis test p value = 0.011 <0.05 which can be concluded that there is a significant difference between the levels of lead (Pb) in blood shells (Anadara granosa) and mangrove shells (Telescopium telescopium). Keywords: Blood Shells (Anadara granosa), Mangrove Shells (Telescopium telescopium), Lead (Pb),                  Atomic Absorption Spectrophotometer (SSA)

scholarly journals Concentration of Heavy Metals (Pb and Cu) in Alepes vari and Johnius belangerii from Musi River Estuary, Banyuasin District, South Sumatra

2019 ◽  
Vol 8 (2) ◽  
pp. 213-219
Author(s):  
Fitri Agustriani ◽  
Anna Ida Sunaryo Purwiyanto ◽  
Wike Ayu Eka Putri ◽  
Fauziyah Fauziyah
Keyword(s):  
Heavy Metals ◽  
Atomic Absorption ◽  
High Activity ◽  
Negative Impact ◽  
River Estuary ◽  
Atomic Absorption Spectrophotometer ◽  
Food Control ◽  
National Agency ◽  
Ecosystem Changes ◽  
Musi River

Agustriani F, Purwiyanto AIS, Putri WAE, Fauziyah. 2019. Concentration of heavy metals (Pb and Cu) in alepes vari and johnius belangerii from musi river estuary, Banyuasin district, South Sumatra. Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):213-219. The Musi river estuary plays an important role as one of the fishing grounds. The high activity in the musi estuary has an impact on the ecosystems in this region, including the negative impact in the form of ecosystem changes caused by heavy metals. The aim of this study was to determine the concentrations of heavy metals (Pb and Cu) in Alepesvariand Johniusbelangerii in the Musi river estuary. Fish were obtained from fishermen who used the Gillnet Millennium (Ply) gear in July 2018 and were analyzed using the Atomic Absorption Spectrophotometer (AAS). The results showed that the concentration of  Pb  in J. belangerii was greater than A. vari, but the concentration of Cu  in  A. vari  was greater than in  J. belangerii. Concentration of  Pb has exceeded the limit for safe consumption based on National Agency of Drug and Food Control.

scholarly journals Educational Model for Overcoming Stunting Toddlers with Bio Acupressure Massage Using Pure Coconut Oil

2021 ◽  
Vol 54 (2) ◽  
pp. 390
Author(s):  
Nyoman Ribek ◽  
I Gusti Ketut Gede Ngurah ◽  
Ketut Labir ◽  
Ketut Wardani
Keyword(s):  
Sleep Quality ◽  
Negative Impact ◽  
Coconut Oil ◽  
The Body ◽  
Control Group ◽  
P Value ◽  
Educational Model ◽  
Educational Models ◽  
Significant Difference ◽  
Before And After

Educational models to overcome stunting are needed because stunting has a negative impact on the health and function of the body as well as increasing child morbidity. The prevalence of stunting under five in Indonesia in 2019 was 27.67%, in Bali 21.9% and Karangasem 26.23% above WHO 20%. This data is the reason for conducting research in 2020. The aim is to find out whether the educational model of bio acupressure massage using virgin coconut oil can increase appetite, sleep quality and immune power so that stunting toddlers increase height. The research method is quasi-experimental; the research design is nonequivalent control group design. The sample is 50 people with purposive sampling technique. The analysis before and after treatment was carried out by paired sample t-test, the results were that all variables had significant differences (P value> 0.05). Variable differences between groups using t-two independent test with an alpha of 0.05 resulted in a significant difference in appetite (P value = 0.01) and a significant difference in height (p value = 0.020). There was no significant difference between sleep quality and endurance (P value > 0.05). It was concluded that there was a significant difference before and after education on stunting, while between the bio acupressure and conventional groups there was a significant difference in the variables of appetite and height. It is recommended that in overcoming stunting, bio acupressure massage education is the right education.

scholarly journals Validation of the method for determination of lead, cadmium, arsene in meat and meat products atomic-absorption spectrometry with electrothermal atom

2021 ◽  
Author(s):  
S. V. Shulyak ◽  
◽  
K. S. Myagka ◽  
S. A. Tkachuk ◽  
O. S. Gaiduy ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Meat Products ◽  
Absorption Spectrometry ◽  
The Body ◽  
Atomic Absorption Spectrophotometer ◽  
Electrothermal Atomization ◽  
Validation Data

The toxicity of heavy metals poses risks to the health of both humans and animals based on their ability to accumulate in the body. The toxicity of the metal depends on the absorbed dose, route and duration of exposure. The timely determination of heavy metals in food, in accordance with EU-approved assessment methods, is an urgent task. The aim of the study was to validate the method of determination of lead, cadmium, arsenic in meat and meat products by atomic absorption spectrometry with electrothermal atomization. The Thermo Solaar atomic absorption spectrophotometer (USA) was used to determine arsenic and cadmium, and the Varian 240 G atomic absorption spectrophotometer (Australia) was used to determine lead. Nitric acid (Merk, Germany), certified standard solutions (Merk, Germany) according to the approved methods were used for mineralization of samples and preparation of background, calibration solutions. The validation characteristics of the method for determining lead, cadmium, arsenic by atomic absorption spectrometry with electrothermal atomization, namely: detection limit, quantitative limit, accuracy, correctness, convergence, reproducibility, selectivity, linearity. The accuracy, practicality and versatility of this method have been proven, which is confirmed by LOD and LOQ: for lead 0.31, 10.0 μg / kg, cadmium 0.3 and 5.0 μg / kg, arsenic 0.2 and 10.0 μg / kg. The results obtained and the validation data on accuracy and reproducibility are in line with the requirements of European legislation on the residual content of heavy metals in meat and meat products.

scholarly journals Assessment of selected heavy metals concentrations in Mairua Reservoir, Funtua, Katsina State, Nigeria for fishing purposes

2021 ◽  
Vol 14 (1) ◽  
pp. 207-213
Author(s):  
M.Z. Karkarna ◽  
Z.M. Dabo
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Analysis Of Variance ◽  
T Test ◽  
The Body ◽  
P Value ◽  
Aquatic Habitats ◽  
Metal Concentrations ◽  
Heavy Metal Concentrations ◽  
Significant Difference

An assessment of selected heavy metal concentrations for fishing purposes was conducted at Mairua Reservoir, Funtua, Katsina State, Nigeria. This study aimed at assessing the selected heavy metal concentrations to enable the and sustainable use of the reservoir. Fishing is the major activity of the dwellers throughout the year, but there is less attention in considering the water quality in the reservoir. Eating fish harvested from polluted aquatic habitats could endanger the health Eating fish harvested from polluted aquatic habitats could endanger the health of the consumer. As such, there is the need of this research now if not continuously.Water samples were taken in five sampling points and the procedural plan was the monthly sampling of the water from February-April and June-August 2020. The heavy metals include Zinc (Zn), Iron (Fe), Nickel (Ni), Manganese (Mn), Cadmium (Cd) and Lead (Pb). Laboratory procedures include sample digestions in preparation for spectrophotometric analysis using Atomic Absorption Spectrometer (AAS).  Data were analysed using Analysis of Variance (ANOVA) and independent t-test and related with FAO standard for fishing. The finding shows that most of the parameters like Cd, Zn and Pb are more in concentration at SPIII (downstream), i.e. the outlet of the water in the reservoir. It can also be seen that two parameters Fe and Ni are more concentrated at SPIV (middle towards east) and only Mn is higher at SPI (upstream). Furthermore, the analysis of variance revealed no significant difference (p >0.05) in the values of all the parameters across the five sampled collection points. The results of this study show that with the exception of cadmium (Cd) and lead (Pb), the heavy metal concentrations in water did not exceed FAO (2006) standards. However, Cd and Pb exceeded the FAO standard.  The level of heavy metal concentrations was compared based on seasons (wet and dry) using independent t-test at the 0.05 level of significance. The result shows no significant difference at 0.05 between the wet and dry season values of Fe (P value 0.106), Cd (P value 0.614) Zn (P value 0.700), Mn (P value 0.950), and Ni (P value 0.937). Study on Pb concentrations revealed that the metal was affected by seasonal variation (P value 0.047). Dumping waste very close to the reservoir should be discouraged. Farmers around the reservoir should be enlightened on the negative effects of their activities into the body of the water. More studies should be carried out on physico-chemical, microbial and other heavy metal concentrations in order to provide baseline information on the ecological status of the reservoir. In line with the finding, it is recommended that for effective fishing activities in the reservoir, the use of agrochemicals and dumping municipal waste very close to the reservoir, which could be the possible sources of Cd and Pb, should be discouraged.

scholarly journals Concentration of Heavy Metals in Vegetables Cultivated around Dumpsites in Jimeta and Ngurore Areas, Adamawa State, Nigeria

2020 ◽  
Vol 24 (6) ◽  
pp. 1035-1040
Author(s):  
D.C. Sakiyo ◽  
G. Chessed ◽  
J. Eli ◽  
Y.J. Usongo
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Atomic Absorption ◽  
Metal Concentration ◽  
Lactuca Sativa ◽  
Concentration Level ◽  
Spinacia Oleracea ◽  
Limit Of Detection ◽  
Atomic Absorption Spectrophotometer ◽  
Significant Difference

The study analyses the health risk assessment of the concentration of Iron, Lead, Copper, Chromium, and Cadmium heavy metals in vegetables grown near dumpsites of Jimeta and Ngurore areas of Adamawa State, Nigeria. Vegetables mainly Spinach (Spinacia oleracea) and lettuce (Lactuca sativa) were collected in triplicates and analyzed using Atomic Absorption Spectrophotometer Buck 210VGP (AAS). The result revealed that heavy metals detected in spinach at Jimeta dumpsite decreased in the following order: Fe (3.7 mg/kg) > Pb (0.18 mg/kg) > Cu (0.12 mg/kg) > Cr (0.07 mg/kg) > Cd (below limit of detection), compared to the metal concentration in spinach at Ngorure dumpsite with lower concentration of heavy metal which decreased in the order of: Fe (2.5 mg/kg) > Pb (0.16 mg/kg) > Cu (0.14 mg/kg) > Cr (0.02 mg/kg) > Cd (below limit of detection). Other result for Spinach in Jimeta decreased in the order Fe (3.31mg/kg) > Pb (0.2mg/kg) > Cu (0.11mg/kg) > Cr (0.05mg/kg) > Cd (ND) beyond the limit of detection while Lettuce decreased in the order Fe (22.54mg/kg) > Cu (0.31mg/kg) > Pb (0.12mg/kg) > Cr (0.07mg/kg) > Cd (ND) beyond the limit of detection. Fe is the most abundant element in the vegetables with a mean value of 21 mg/kg followed by Pb (0.177 mg/kg). The analyses of paired T-test for vegetables in Ngurore and Jimeta at 0.05 level of significant confirmed that Cu and Cr showed no statistically significant difference in their concentration level while Fe and Pb confirmed that there was statistically significant difference in their concentration level. However, the detection of heavy metals in these vegetables calls for close environmental monitoring and adequate public awareness. This is necessary to discourage further pollution which could lead to high metal concentration and metal poisoning in vegetables and invariably humans that consume them. Keywords: Spinacia oleracea, Lactuca sativa, Heavy metal, Atomic Absorption Spectrophotometer

Perbedaan Penggunaan Antikoagulan K2EDTA DAN K3EDTA Terhadap Hasil Pemeriksaan Indeks Eritrosit

2018 ◽  
Vol 1 (2) ◽  
pp. 114
Author(s):  
Wahdaniah Wahdaniah ◽  
Sri Tumpuk
Keyword(s):  
Screening Test ◽  
Venous Blood ◽  
The Body ◽  
Ethylene Diamine ◽  
P Value ◽  
Cross Sectional ◽  
Significant Difference ◽  
Ethylene Diamine Tetra Acetate ◽  
The Difference ◽  
Index Value

Abstract: Routine blood examination is the earliest blood test or screening test to determine the diagnosis of an abnormality. Blood easily froze if it is outside the body and can be prevented by the addition of anticoagulants, one of which Ethylene Diamine Tetra Acetate (EDTA). Currently available vacuum tubes containing EDTA anticoagulants in the form of K2EDTA and K3EDTA. K3EDTA is usually a salt that has better stability than other EDTA salts because it shows a pH approaching a blood pH of about 6.4. The purpose of this research is to know the difference of erythrocyte index results include MCH, MCV and MCHC using K3EDTA anticoagulant with K2EDTA. This research is a cross sectional design. This study used venous blood samples mixed with K2EDTA anticoagulant and venous blood mixed with K3EDTA anticoagulants, each of 30 samples. Data were collected and analyzed using paired different test. Based on data analysis that has been done on MCH examination, p value <0,05 then there is a significant difference between samples with K3EDTA anticoagulant with K2EDTA to erythrocyte index value. Then on the examination of MCV and MCHC obtained p value <0.05 then there is no significant difference between samples with K3EDTA anticoagulant with K2EDTA to erythrocyte index value.Abstrak: Pemeriksaan darah rutin merupakan pemeriksaan darah yang paling awal atau screening test untuk mengetahui diagnosis suatu kelainan. Darah mudah membeku jika berada diluar tubuh dan bisa dicegah dengan penambahan antikoagulan, salah satunya Ethylene Diamine Tetra Acetate (EDTA). Dewasa ini telah tersedia tabung vakum yang sudah berisi antikoagulan EDTA dalam bentuk  K2EDTA dan  K3EDTA. K3EDTA  biasanya berupa garam yang mempunyai stabilitas yang lebih baik dari garam EDTA yang lain karena menunjukkan pH yang mendekati pH darah yaitu sekitar 6,4. Tujuan dari penelitian ini adalah untuk mengetahui perbedaan hasil indeks eritrosit meliputi MCH, MCV dan MCHC menggunakan antikoagulan K3EDTA dengan K2EDTA. Penelitian ini merupakan penelitian dengan desain cross sectional. Penelitian ini menggunakan sampel darah vena yang dicampur dengan antikoagulan K2EDTA dan darah vena yang dicampur dengan antikoagulan K3EDTA, masing-masing sebanyak 30 sampel. Data dikumpulkan dan dianalisis menggunakan uji beda berpasangan. Berdasarkan analisis data yang telah dilakukan pada pemeriksaan MCH didapatkan nilai p < 0,05 maka ada perbedaan yang signifikan antara sampel dengan antikoagulan K3EDTA dengan K2EDTA terhadap nilai indeks eritrosit. Kemudian pada pemeriksaan MCV dan MCHC didapatkan nilai p < 0,05 maka tidak ada perbedaan yang signifikan antara sampel dengan antikoagulan K3EDTA dengan K2EDTA terhadap nilai indeks eritrosit.

scholarly journals Optimalisasi Pertumbuhan Bayi dengan Baby Massage and Spa

2019 ◽  
Vol 10 (2) ◽  
pp. 276
Author(s):  
Yusari Asih ◽  
I Gusti Ayu Mirah WS
Keyword(s):  
Body Length ◽  
Head Circumference ◽  
Intervention Group ◽  
Sampling Technique ◽  
Holistic Approach ◽  
The Body ◽  
Control Group ◽  
P Value ◽  
Control Group Design ◽  
Significant Difference

<p><span>Baby Massage and Spa was a traditional effort that uses a holistic approach through comprehensive care using a combination of massage and water therapy methods that are carried out in an integrated manner to balance the body, mind, and feelings. Age 3-6 months is the right time for babies to do massage and spa. The purpose of this study was to determine the effect of baby massage and spa on the growth of infants aged 3-5 months in Pringsewu District in 2018. This study uses a quasi-experimental approach with research design pre and post-test with control group design. The purposive sampling technique was taken with a sample of 30 infants as the intervention group and 30 infants as the control group. Data were processed using computerization and analyzed using the T-Test. The results showed that there were significant differences between body weight, body length and baby head circumference in the pre and post-treatment. There was no significant difference in the average increase in infant weight between babies who were carried out by baby massage and spa with babies who were not carried out by baby massage and spa with p-value 0.116. There is a significant difference in the baby's body length and head circumference performed by baby massage and spa with those not carried out by baby massage and spa with p-value 0.000. Baby Massage and Spa has a significant effect on increasing the growth of babies aged 3-5 months.</span></p><p><span> </span></p>

scholarly journals Studi Penurunan Kadar Logam Besi (Fe) dan Logam Tembaga (Cu) pada Air Embung Menggunakan Adsorben Nanosilika

2017 ◽  
Vol 17 (2) ◽  
pp. 131
Author(s):  
Emas Agus Prastyo Wibowo ◽  
Ika Sri Hardyanti ◽  
Isni Nurani ◽  
Dyan Septyaningsih Hardjono HP ◽  
Aden Dhana Rizkita
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Atomic Absorption ◽  
Water Use ◽  
Metal Content ◽  
Atomic Absorption Spectrophotometer ◽  
Absorption Method ◽  
Wastewater Purification ◽  
Stirring Time ◽  
Independent Variable

STUDI PENURUNAN KADAR LOGAM BESI (Fe) DAN LOGAM TEMBAGA (Cu) PADA AIR EMBUNG MENGGUNAKAN ADSORBEN NANOSILIKAABSTRAKPolusi limbah logam berat dalam air merupakan satu permasalahan lingkungan yang penting. Dalam mengatasi permasalahan tersebut dapat dilakukan purifikasi terhadap air tersebut. Metode yang dapat digunakan untuk purifikasi limbah sangat beragam salah satunya adalah absorpsi. Secara umum metode absorpsi telah banyak digunakan dalam purifikasi air limbah. Metode absorpsi dapat menurunkan kadar logam yang terlarut pada limbah. cair dengan cara menyerap logam-logam tersebut ke dalam permukaan absorbennya. Tujuan dilakukan penelitian ini adalah  untuk menurunkan konsentrasi logam besi (Fe) dan tembaga (Cu) menggunakan adsorben nanosilika. Penelitian ini menggunakan variabel bebas yaitu waktu pengadukan (20 menit, 40 menit, dan 60 menit). Hasil akhir filtrat air embung kemudian diukur absorbansinya menggunakan Spektrofotometer Serapan Atom. Berdasarkan hasil analisa menggunakan instrumen SSA diperoleh hasil bahwa tidak terjadi penurunan logam Fe maupun Cu. Dalam hal ini terjadi peningkatan konsentrasi dalam logam Fe maupun Cu, hal ini dikarenakan kurangnya waktu pengadukan dan pengaruh dari adsorben nanosilika.Kata Kunci: limbah, logam berat, nanosilika STUDY OF DECREASING METALS IRON (Fe) AND COPPER (Cu) ON EMBUNG WATER USE OF NANOSILICA ADSORBEN ABSTRACTHeavy waste pollution of heavy metals in the water is an important environment issue. To solve the problem, its can be purified the water. The methods that can be used for waste purification are very diverse, one of which is absorption. In general, the method of absorption has been widely used in wastewater purification. The absorption method can decrease dissolved metal content in the waste. liquid by absorbing the metals into the absorbent surface. Research has been conducted to reduce the concentration of iron (Fe) and copper (Cu) by using nanosilica adsorbent. This research used to independent variable that is stirring time (20 minutes, 40 minutes, and 60 minutes). The final result of filtrate embung water then measured its absorbance using Atomic Absorption Spectrophotometer (AAS). Based on the result of the analysis using SSA instrument, it is found that there is no decrease of Fe and Cu metals. There are several reasons for those problem such as due to lack of stirring time and the influence of nanosilica adsorbent.Keywords: Waste pollution, heavy metal, nanosilica

scholarly journals PERBANDINGAN KADAR TIMBAL (Pb) PADA GORENGAN YANG DIJUAL DI JALAN SAM RATULANGI DAN PURWODADI KOTA PEKANBARU

2020 ◽  
Vol 14 (2) ◽  
pp. 114
Author(s):  
Yeli Hartuti ◽  
Efriyeldi Efriyeldi ◽  
Maria Erna
Keyword(s):  
Lead Level ◽  
Threshold Value ◽  
T Test ◽  
The Body ◽  
Motor Vehicles ◽  
Director General ◽  
P Value ◽  
Food Control ◽  
Significant Difference ◽  
Fried Foods

Air pollution gives a negative impact to human health due to pollutants released by motor vehicles. From the several kinds of pollutants generated, CO is one of the most pollutants released by motor vehicles. Lead can contaminate the environment and can poisoning the living organisms. Lead can cause various disorders to the body and also organs such as hematopoietic system, neurological, endocrine, renal, gastrointestinal, hematological, and reproduction. This study aims to analyze the comparison of the levels of lead (Pb) in fried foods sold on Jalan Sam Ratulangi with fried foods sold on the edge of Jalan Purwodadi, Pekanbaru City. This research is descriptive quantitative. Samples in the form of bakwan which were taken by one trader by using a total sampling of 6 samples. The sample will then be examined quantitatively to determine the level of lead in the sample using the atomic absorption spectrophotometric method. The results of the lead level examination will then be compared with the maximum limit of metal contamination according to the standards set by the Directorate General of Drug and Food Control No. 00.06.1.52.4011 Year 2009 to find out whether the fried foods sold in that location meet the Threshold Value (NAB), and compared using the SPSS t test. The results of the research after analysis using the t test, it is known that the p value is 0.216 when compared with a= 0.05, then p>a, so there is no significant difference between the fried foods sold on Jalan Sam Ratulangi and Purwodadi, Pekanbaru City, all samples exceed The threshold value set by the Regulation of the Director General of Drug and Food Control Number HK.00.06.1.52.4011 of 2009 is 0.25 mg/kg.

scholarly journals Evaluation of Physicochemical and Microbial Quality Control of Hemodialysis Machines Water in Hospitals

2021 ◽  
Vol 12 (1) ◽  
pp. 12-23
Author(s):  
Michael Abbaszadeh ◽  
Mohammad Mosaferi ◽  
Parisa Firouzi ◽  
Mohammad Ali Abedpour ◽  
Samira Sheykholeslami
Keyword(s):  
Heavy Metals ◽  
Water Quality ◽  
Reverse Osmosis ◽  
National Standard ◽  
Microbial Quality ◽  
Dialysis Patients ◽  
Significant Difference ◽  
Before And After ◽  
East Azerbaijan ◽  
Dialysis Water

Abstract Background and Objectives: Water quality is important for preparation of dialysis solution due to its direct relationship with blood of patients with renal failure. The aim of this study was to evaluate the chemical and microbial quality of inlet and outlet water of dialysis devices in hospitals of East Azerbaijan province. Material and Methods: This study was a descriptive-analytical study in which the water of dialysis ward of three hospitals affiliated to East Azerbaijan University of Medical Sciences was investigated. The results of physicochemical (45 cases) and microbial (163 cases) of dialysis water were extracted from the relevant archives in two stages before and after reverse osmosis treatment during 2014-2016. Independent t-test and one-way ANOVA were used for statistical analysis while extracting descriptive statistical parameters. Data analysis was done using Excel and SPSS 23 software. Results: Evaluation of the efficiency of reverse osmosis system showed that there was a significant difference between water quality, before and after the system. Except for calcium, magnesium, fluoride and nitrate, the concentrations of other cations and anions in 100% of samples were lower than the European Pharmacopoeia standard. Incoming water samples to dialysis machine in 4.9% of cases had total coliform contamination and there was no fecal coliform in any of the samples. The frequency and frequency of tests in hospitals are not observed and despite the risk of heavy metals, heavy metals tests are not performed on dialysis water for the health of dialysis patients. Conclusion: The need to develop a national standard for controlling dialysis water, testing all quality parameters of dialysis water according to standards in regular times and timeframes, informing hospital managers and environmental health experts about the importance of dialysis water quality in health and increasing life expectancy of dialysis patients is felt.

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