Prakonsentrasi Ion Cd(II) dalam Sampel Pupuk Nitrogen, Fosfor dan Kalium (NPK) Menggunakan Alumina Teraktivasi sebagai Material Pengisi Kolom

Prakonsentrasi ion Cd(II) dalam sampel pupuk nitrogen, fosfor dan kalium (NPK) menggunakan alumina teraktivasi sebagai material pengisi kolom telah dilakukan. Alumina terlebih dahulu diaktivasi dengan NaOH pada pH 8 sebelum dimasukkan ke dalam kolom. Beberapa parameter penting dalam tahapan prakonsentrasi yang dapat meningkatkan kinerja analitik pengukuran telah ditentukan menggunakan instrumen spektrofotometer serapan atom (SSA). Hasil penelitian menunjukkan kondisi optimum tahapan prakonsentrasi ion Cd(II), adalah pada volume sampel 10 mL, volume HNO3 adalah 4 mL pada konsentrasi 0,5 M, dengan nilai kapasitas retensi adalah 1,4113 mg Cd(II)/g alumina. Kinerja analitik pengukuran metode sangat baik, ditunjukkan dengan nilai batas deteksi metode adalah 2,7997 μg/L. Presisi metode dinyatakan sebagai persentase koefisien variansi adalah 4,03%. Penggunaan alumina sebagai bahan pengisi kolom dapat meningkatkan signal sebesar 2,5 kali dibandingkan dengan pengukuran ion Cd(II) secara langsung. Akurasi metode ini sangat baik, dengan nilai persen perolehan kembali adalah 91,67 – 103,49%, menunjukkan bahwa matriks sampel tidak mempengaruhi hasil pengukuran, sehingga metode ini dapat digunakan untuk analisis ion Cd(II) dalam sampel pupuk NPK. Estimasi ketidakpastian metode ini juga telah dihitung dan ditunjukkan dengan nilai persen ketidakpastian adalah 14,16%.Preconcentration of Cd(II) Ion in Nitrogen, Phosphor, and Kalium (NPK) Fertilizer Sample Using Activated Alumina as a Column Filler Material. The research about preconcentration of Cd(II) in NPK fertilizer using activated alumina as a column filler material was done. The column used a filler material of alumina previously activated using NaOH at pH 8. Some important parameters in the preconcentration stage are able to increase the analytical performance, determined using atomic absorption spectrophotometer (AAS). The result of the research shows the optimum condition of preconcentration stage Cd(II) ion are volume of the sample was 10 mL, the volume of eluent HNO3 was 4 mL with a concentration of 0.5 M, with the retention of capacity value was 1.4113 mg Cd(II)/g alumina. The analytical performance of this method is good, shown with the limit of detection value was 2.7997 μg/L. The precision of this method was indicated by the percentage of the coefficient variance of 4.03%. Alumina used as a filler column can increase the signal up to 2.5 times for direct Cd(II) ions measurement. The accuracy of this method is excellent, with the recovery percentage value was 91.67 – 103.49%, indicating that the matrices of NPK fertilizer give no effect on the results of measurements, and this method was capable of analyzing Cd(II) ions in NPK fertilizer. The uncertainty of this method was estimated as the percentage of the uncertainty of 14.16%.

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Prakonsentrasi Ion Cd(II) dalam Sampel Pupuk Nitrogen, Fosfor dan Kalium (NPK) Menggunakan Alumina Teraktivasi sebagai Material Pengisi Kolom

ALCHEMY Jurnal Penelitian Kimia ◽

10.20961/alchemy.16.2.39363.1-11 ◽

2020 ◽

Vol 16 (2) ◽

pp. 1

Author(s):

Lossi Hotmaida Simanjuntak ◽

Erwin Erwin ◽

Aman Sentosa Panggabean

Keyword(s):

Optimum Condition ◽

Atomic Absorption ◽

Limit Of Detection ◽

Analytical Performance ◽

Atomic Absorption Spectrophotometer ◽

Filler Material ◽

Activated Alumina ◽

Fertilizer Sample ◽

Recovery Percentage ◽

Npk Fertilizer

ABSTRAK. Prakonsentrasi ion Cd(II) dalam sampel pupuk nitrogen, fosfor dan kalium (NPK) menggunakan alumina teraktivasi sebagai material pengisi kolom telah dilakukan. Alumina terlebih dahulu diaktivasi dengan NaOH pada pH 8 sebelum dimasukkan ke dalam kolom. Beberapa parameter penting dalam tahapan prakonsentrasi yang dapat meningkatkan kinerja analitik pengukuran telah ditentukan menggunakan instrumen spektrofotometer serapan atom (SSA). Hasil penelitian menunjukkan kondisi optimum tahapan prakonsentrasi ion Cd(II), adalah pada volume sampel 10 mL, volume HNO3 adalah 4 mL pada konsentrasi 0,5 M, dengan nilai kapasitas retensi adalah 1,4113 mg Cd(II)/g alumina. Kinerja analitik pengukuran metode sangat baik, ditunjukkan dengan nilai batas deteksi metode adalah 2,7997 μg/L. Presisi metode dinyatakan sebagai persentase koefisien variansi adalah 4,03%. Penggunaan alumina sebagai bahan pengisi kolom dapat meningkatkan signal sebesar 2,5 kali dibandingkan dengan pengukuran ion Cd(II) secara langsung. Akurasi metode ini sangat baik, dengan nilai persen perolehan kembali adalah 91,67 – 103,49%, menunjukkan bahwa matriks sampel tidak mempengaruhi hasil pengukuran, sehingga metode ini dapat digunakan untuk analisis ion Cd(II) dalam sampel pupuk NPK. Estimasi ketidakpastian metode ini juga telah dihitung dan ditunjukkan dengan nilai persen ketidakpastian adalah 14,16%.ABSTRACT. Preconcentration of Cd(II) Ion in Nitrogen, Phosphor, and Kalium (NPK) Fertilizer Sample Using Activated Alumina as a Column Filler Material. The research about preconcentration of Cd(II) in NPK fertilizer using activated alumina as a column filler material was done. The column used a filler material of alumina previously activated using NaOH at pH 8. Some important parameters in the preconcentration stage are able to increase the analytical performance, determined using atomic absorption spectrophotometer (AAS). The result of the research shows the optimum condition of preconcentration stage Cd(II) ion are volume of the sample was 10 mL, the volume of eluent HNO3 was 4 mL with a concentration of 0.5 M, with the retention of capacity value was 1.4113 mg Cd(II)/g alumina. The analytical performance of this method is good, shown with the limit of detection value was 2.7997 μg/L. The precision of this method was indicated by the percentage of the coefficient variance of 4.03%. Alumina used as a filler column can increase the signal up to 2.5 times for direct Cd(II) ions measurement. The accuracy of this method is excellent, with the recovery percentage value was 91.67 – 103.49%, indicating that the matrices of NPK fertilizer give no effect on the results of measurements, and this method was capable of analyzing Cd(II) ions in NPK fertilizer. The uncertainty of this method was estimated as the percentage of the uncertainty of 14.16%.

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Preconcentration of Chromium(VI) at Trace Levels Using Acid Alumina Resin with Column Method

Indonesian Journal of Chemistry ◽

10.22146/ijc.21267 ◽

2014 ◽

Vol 14 (1) ◽

pp. 51-56 ◽

Cited By ~ 1

Author(s):

Aman Sentosa Panggabean ◽

Subur P Pasaribu ◽

Bohari Bohari ◽

Nurhasanah Nurhasanah

Keyword(s):

Water Samples ◽

Trace Analysis ◽

Limit Of Detection ◽

Analytical Performance ◽

Filler Material ◽

Retention Capacity ◽

Line Method ◽

Chromium Vi ◽

Column Method ◽

Recovery Percentage

Trace analysis of Chromium(VI) ions using acid alumina resin as a filler material column in preconcentration system by off-line method has been carried out. Alumina resin was activated with H2SO4 at pH 1 before being filled to the column. This research showed retention capacity of alumina acid resin was 3.955 mg Cr(VI)/g resin. The analytical performance of this method is good, shown with the limit of detection value was 3.648 µg/L. The reproducibility of this method shown as percentage of coefficient variance was 2.06%. Acid alumina used as resin filler column can increase the signal up to 15.36 times for direct Cr(VI) ions measurement. The accuracy of this method is very good with the recovery percentage value > 95%, shown the matrices of water samples didn’t effect the results of measurements and this method was capable to analyze Cr(VI) ions in water samples at the trace levels.

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ATOMIC ABSORPTION SPECTROPHOTOMETER – A VERSATILE TOOL FOR THE ESTIMATION OF NICKEL CONTENT IN DRONEDARONE

Asian Journal of Pharmaceutical and Clinical Research ◽

10.22159/ajpcr.2019.v12i18.33921 ◽

2019 ◽

pp. 187-190

Author(s):

VASAVI DEVI DASARI ◽

SWARNALATHA DUGASANI ◽

VENKATASUBBA REDDY GOPIREDDY

Keyword(s):

Atomic Absorption ◽

Limit Of Detection ◽

Nickel Content ◽

Bulk Sample ◽

Atomic Absorption Spectrophotometer ◽

Limit Of Quantification ◽

Determination Of Nickel ◽

System Suitability ◽

Versatile Tool ◽

Bulk Drug

Objective: The present investigation is to develop a validated analytical method for the determination of nickel content in dronedarone hydrochloride bulk drug by atomic absorption spectrophotometer (AAS). Methods: Samples were analyzed after a preparation of sample solution by dissolving in suitable diluents of nitric acid and perchloric acid. In the present method, AAS with 0.2 nm slit width, nickel hollow cathode lamp with a wavelength of 232 nm has been employed. Results: The system suitability parameters were performed to assess the system performance. The limit of detection and limit of quantification (LOQ) were found to be 0.051 ppm and 0.15 ppm, respectively. The percentage recovery at LOQ, 50%, 100%, and 150% levels of nickel in dronedarone was found to be 95.55, 109.33, 96, and 97.55, respectively. Conclusion: With the developed method, the nickel content in dronedarone bulk sample was found to be 3.0 ppm.

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Determination Of Mercury (Hg) On Water Sample In Batang Kuantan River

10.31227/osf.io/8ysm2 ◽

2018 ◽

Author(s):

Purwo Subekti ◽

Rindi Genesa Hatika ◽

Indang Dewata ◽

Alizar ◽

Saiful Anwar

Keyword(s):

Water Sample ◽

Atomic Absorption ◽

Water Samples ◽

Gold Mining ◽

Limit Of Detection ◽

Atomic Absorption Spectrophotometer ◽

Gold Mine ◽

Flow Problems ◽

Geochemical Studies

Batang Kuantan River is a river that still has a wild gold mine along the flow. Problems arising from the gold mine is the content of the metal it produces, one of which is mercury. Mercury is used in gold mining This research was conducted to see the mercury contained in the water in the flow of Batang Kuantan river. Geochemical studies have been performed by determining the pH and concentration of metal mercury (Hg) determination in water samples using Atomic Absorption Spectrophotometer (AAS). The results showed that The concentration of Hg on samples A1 and A3 is 0.009 mg / L and 0.0078 mg / L. The A2 and A3 samples found a low reading of the limit of detection. The concentration values of Hg samples A1 and A4 are above the standards specified by PP No.82 tahun 2001 i.e 0.002 mg/L.

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The Utilization of Nitrogen Gas as a Carrier Gas in the Determination of Hg Ions Using Cold Vapor-Atomic Absorption Spectrophotometer (CV-AAS)

Indonesian Journal of Chemistry ◽

10.22146/ijc.23092 ◽

2018 ◽

Vol 18 (2) ◽

pp. 279 ◽

Cited By ~ 1

Author(s):

Aman Sentosa Panggabean ◽

Subur P Pasaribu ◽

Farida Kristiana

Keyword(s):

Atomic Absorption ◽

Atomic Absorption Spectrophotometer ◽

Nitrogen Gas ◽

Cold Vapor ◽

Carrier Gas ◽

Cold Vapor Atomic Absorption ◽

Measurement Results ◽

Recovery Percentage ◽

Aas Method

The research about utilization of nitrogen gas as a carrier gas in the determination of Hg ions by using Cold Vapor-Atomic Absorption Spectrophotometer (CV-AAS) method has been conducted. To optimize the measurement results, several parameters that affect hydride generator have been studied. Some specified important parameters are SnCl2 concentration as reductant, acid concentration, and the analytical performance such as repeatability and reproducibility (% RSD), linearity (r), limits of detection (LOD) and limits of quantitation (LOQ), and accuracy have been studied. The results of the research showed that the nitrogen gas can be used instead of argon gas as a carrier gas. It was shown by the repeatability values as % RSD < 2/3 CV Horwitz values, the LOD was 0.0338 µg/L and the LOQ was 0.0838 µg/L. The accuracy of this method was well shown by a recovery percentage was 102.24%. Based on the result of this research, the nitrogen gas can be used as a carrier gas for the determination of Hg ions by using the CV-AAS method with valid results.

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Verifikasi Metode Uji Arsen dalam Contoh Mainan Anak dengan Spektrofotometer Serapan Atom Generator Uap Hidrida (Method Verification of Assay Arsenic in Toy Sample with Absorption Atomic Spectrophotometer Hydrid Vapor Generator)

Jurnal Sains Terapan ◽

10.29244/jstsv.4.2.36-45 ◽

1970 ◽

Vol 4 (2) ◽

pp. 36-45

Author(s):

Fahrizal Hazra ◽

Susanti Pratiwi Purnama ◽

Suri Mulyani Sari

Keyword(s):

Heavy Metals ◽

Heavy Metal ◽

Atomic Absorption ◽

Correlation Coefficient ◽

Limit Of Detection ◽

Experimental Results ◽

Atomic Absorption Spectrophotometer ◽

Limit Of Quantitation ◽

Precision And Accuracy ◽

Vapor Generator

The safety of toys as one of important factors needs to be considered. It can be seen from the presence of heavy metals such as arsenic (As). The analysis of heavy metal arsenic in children's toys can use the verified SNI ISO 8124-3 : 2010 method. Verification activities are needed to verify that the laboratory is able to perform a test which is using such method, and the result are valid. Parameters used in this verification were linearity, limit of detection (LOD), limit of quantitation (LOQ), precision, and accuracy. Based on the verification result of Assay Arsenic in toys with Atomic Absorption Spectrophotometer Hydrid Vapor Generator (HVG), good liearity had a correlation coefficient (r) of 0.9993. The limit of detectin (LOD) and limit of quantitation (LOQ) obtained was 0.0113 mg/Kg and of 3.39%. The accuracy had a recovery value 97.66%. The experimental results showed that the Assay Arsenic in toys with Atomic Absorption Spectrophotometer Hydrid Vapor Generator (HVG) can be used as routine analysis.Keywords : arsenic, atomic absorption spectrophotometer, hydrid vapor generator, verification

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

Journal of Applied Sciences and Environmental Management ◽

10.4314/jasem.v24i6.14 ◽

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

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Assessing Zinc Amassing in Forages, Buffalo Blood and Topsoil Collected from Sargodha City, Pakistan

Revista de Chimie ◽

10.37358/rc.20.8.8296 ◽

2020 ◽

Vol 71 (8) ◽

pp. 240-248

Author(s):

Kafeel Ahmad ◽

Yongjun Yang ◽

Zafar Iqbal Khan ◽

Nimra Arshad ◽

Tasneem Ahmad ◽

...

Keyword(s):

Heavy Metal ◽

Atomic Absorption ◽

Blood Sample ◽

Analysis Of Variance ◽

Atomic Absorption Spectrophotometer ◽

Metal Analysis ◽

Heavy Metal Analysis

The article is focused on estimation of Zinc in the roadside forages, and blood of buffaloes feeding on these forages. This study was carried out in Sargodha during December 2015 to January 2016 (winter) and May 2016 to June 2016 (summer). Five road sites (Mateela, Faisalabad roadside, Shaheenabad roadside, Bhalwal roadside and 50 chak) were selected from sampling of forages, soil and buffalo blood sample. Heavy metal analysis of all digested samples was done with atomic absorption spectrophotometer. Analysis of variance and correlation was done with two way ANOVA. This study regarding the accumulation of zinc in forages, soil and the buffalo blood would help the authorities to exactly determine the agents which are responsible for increasing pollution in the environment.

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Determination of cobalt in water samples by atomic absorption spectrometry after pre-concentration with a simple ionic liquid-based dispersive liquid-liquid micro-extraction methodology

Open Chemistry ◽

10.2478/s11532-010-0030-2 ◽

2010 ◽

Vol 8 (3) ◽

pp. 617-625 ◽

Cited By ~ 18

Author(s):

Hossein Abdolmohammad-Zadeh ◽

Elnaz Ebrahimzadeh

Keyword(s):

Ionic Liquid ◽

Atomic Absorption Spectrometry ◽

Atomic Absorption ◽

Water Samples ◽

Limit Of Detection ◽

Absorption Spectrometry ◽

Experimental Conditions ◽

Flame Atomic Absorption ◽

Relative Standard

AbstractA rapid dispersive liquid-liquid micro-extraction (DLLME) methodology based on the application of 1-hexylpyridinium hexafluorophosphate [C6py][PF6] ionic liquid (IL) as an extractant solvent was applied for the pre-concentration of trace levels of cobalt prior to determination by flame atomic absorption spectrometry (FAAS). 1-Phenyl-3-methyl-4-benzoyl-5-pyrazolone (PMBP) was employed as a chelator forming a Co-PMBP complex to extract cobalt ions from aqueous solution into the fine droplets of [C6py][PF6]. Some effective factors that influence the micro-extraction efficiency include the pH, the PMBP concentration, the amount of ionic liquid, the ionic strength, the temperature and the centrifugation time which were investigated and optimized. In the optimum experimental conditions, the limit of detection (3s) and the enrichment factor were 0.70 µg L−1 and 60, respectively. The relative standard deviation (RSD) for six replicate determinations of 50 µg L−1 Co was 2.36%. The calibration graph using the pre-concentration system was linear at levels 2–166 µg L−1 with a correlation coefficient of 0.9982. The applicability of the proposed method was evaluated by the determination of trace amounts of cobalt in several water samples.

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Cloud point extraction and preconcentration of gold in geological matrices prior to flame atomic absorption determination

Open Chemistry ◽

10.2478/s11532-009-0093-0 ◽

2010 ◽

Vol 8 (1) ◽

pp. 34-40 ◽

Cited By ~ 14

Author(s):

Wifky El-Naggar ◽

Taysseer Lasheen ◽

El-Said Nouh ◽

Ahmed Ghonaim

Keyword(s):

Atomic Absorption ◽

Cloud Point ◽

Cloud Point Extraction ◽

Limit Of Detection ◽

Absorption Spectrometry ◽

Complexing Agent ◽

Rich Phase ◽

Flame Atomic Absorption ◽

Initial Aqueous Solution ◽

Triton X

AbstractBrilliant green was used as a complexing agent in cloud point extraction (CPE) and applied for selective preconcentration of trace amounts of gold in geological matrices. The analyte in the initial aqueous solution was acidified with hydrochloric acid (0.1 M) and octylphenoxypolyethoxyethanol (Triton X-114) was added as a surfactant. After phase separation, based on the cloud point separation of the mixture, the surfactant rich phase was diluted with methanol and the analyte determined in the surfactant rich phase by flame atomic absorption spectrometry (FAAS). After optimization of the complexation and extraction conditions, a preconcentration factor of 31 was obtained for only 10 mL of sample. The analytical curve was linear in the range of 3–1000 ng mL−1 and the limit of detection was 1.5 ng mL−1. The proposed method was applied to the determination of gold in geological samples.

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