scholarly journals Bioconcentration of Cadmium and Nickel in Mud Clams (Polymesoda expansa) at Sungai Balok, Pahang

2019 ◽  
Vol 6 (2) ◽  
pp. 362-368
Author(s):  
Nadzifah Yaakub ◽  
Wan marlin Rohalin ◽  
Radhiah Hani Nordin
Keyword(s):  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Soft Tissues ◽  
Quality Standard ◽  
Dry Season ◽  
Wet Season ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Plasma Mass Spectrometry ◽  
The Mean

Bioaccumulation of heavy metals in mollusc is one of the crucial topics in environmental pollution, toxicology and food safety as it gives great impact on the ecosystem and human health. This study was conducted to identify the level of Cadmium (Cd) and Nickel (Ni) in the soft tissues of mud clams (Polymesoda expansa) and in water samples at Sungai Balok, Pahang. The mud clams and water samples were collected from five sampling stations in Sungai Balok. Sampling was carried out during dry season (May 2018) and wet season (January 2019). The mud clams’ tissues were digested and  analysed with inductively coupled plasma-mass spectrometry (ICP-MS). The obtained results revealed that the mean level of Cd and Ni in tissues of mud clams during wet season (0.127±0.104 and 0.909±0.482)mg/kg were higher compared to dry season (0.031±0.014 and 0.245±0.106)mg/kg respectively. Both of Cd and Ni concentrations in the mud clams were found below the limits stated by FAO/WHO (1984), MFA (1983) and FSANZ (2002). There was no significance different (p<0.05) between Cd and Ni in both seasons. Meanwhile, the concentration of Cd in water samples from Balok river during both seasons were the same, which were (0.0001±0.001)mg/kg respectively, whereas for Ni, the concentration in dry and wet season were slightly different with value of 0.0088±0.001mg/kg and in Jan 2019 is 0.0062±0.001ppm. All the water samples from both seasons had Cd and Ni concentrations within Malaysia’s National Water Quality Standard NWQS limits.

Determination of Arsenic (III) and Arsenic (V) Species by Preconcentration and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) in Drinking Water Samples Analysis

2011 ◽  
Vol 264-265 ◽  
pp. 1684-1689 ◽  
Author(s):  
M.M. Rahman ◽  
Alias Mohd Yusof ◽  
A.K.H. Wood ◽  
A. Shamsiah
Keyword(s):  
Mass Spectrometry ◽  
Solvent Extraction ◽  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Inorganic Arsenic ◽  
Arsenic Species ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Plasma Mass Spectrometry ◽  
Dissolved Inorganic Arsenic

A simple and less expensive solvent extraction method was used with inductively coupled plasma mass spectrometry (ICP-MS) in the speciation of two environmentally significant, toxic forms of arsenic: arsenite and arsenate. Dissolved inorganic arsenic species in drinking waters from reservoirs and treatment plants were determined by the inductively coupled plasma mass spectrometry analyses. Prior to the analysis the water samples were precocentrated by solvent extraction using APCDT to separate the arsenic species from elemental interferences. The detection limit of this method achieved was 0.059 gL-1. The suitability of the technique in this work is discussed in relation to risk assessment studies of public health.

Research on Measuring Ultra-Trace Tombarthite Elements in Water by Separation and Enrichment of Solid-Phase Extraction-Inductively Coupled Plasma-Mass Spectrometry

2012 ◽  
Vol 627 ◽  
pp. 775-779
Author(s):  
Yong Gang Zeng ◽  
Xu Wan ◽  
Lin Luo ◽  
Zheng Wen Huang
Keyword(s):  
Solid Phase Extraction ◽  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Solid Phase ◽  
Phase Extraction ◽  
Water Recovery ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Plasma Mass Spectrometry ◽  
Ultra Trace

Separate and enrich water samples by using solid-phase extraction, and then conduct quantitative analysis by using the ICP-MS method for 14 species of tombarthite elements. The results show that after pretreatment, ICP-MS method could be used to measure the 14 species in water samples simultaneously and it is fast, high sensitive, 50 times of enrichment, 0.2 ng/L of method detection limit after enrichment, better precision, RSD < 5%; higher accuracy, and 93-104% of water recovery rate for simulative water samples.

NATURAL RADIOACTIVITY IN MAJOR RIVERS OF KELANTAN STATE, MALAYSIA

2015 ◽  
Vol 77 (13) ◽  
Author(s):  
Nuraddeen Nasirum Garba ◽  
Ahmad Termizi Ramli ◽  
Muneer Aziz Saleh ◽  
Mohd Syazwan Mohd Sanusi ◽  
Hamman Tukur Gabdo ◽  
...  
Keyword(s):  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Natural Radionuclides ◽  
Inductively Coupled ◽  
Dose Rates ◽  
Activity Concentrations ◽  
Icp Ms ◽  
The Mean ◽  
Gamma Radiation Dose

Assessment of natural radionuclides (238U, 232Th, and 40K) and terrestrial gamma radiation dose rates (TGRD) in major rivers of Kelantan states, Malaysia were conducted. Measurements were carried out using a portable [NaI(TI)] micro roentgen (µR) survey meter and inductively coupled plasma mass spectrometer (ICP-MS) for in situ TGRD and the activity concentrations of 238U, 232Th, and 40K in water samples, respectively. The mean TGRD was found to be 312.98 nGy h-1 and from water samples analyzed, the mean activity concentrations of 238U, 232Th, and 40K was found to be 13.31 mBq L-1, 4.39 mBq L-1 and 1118.72 mBq L-1 which were about 3 times and slightly higher than the world average values of 5 mBq L-1 and 3 mBq L-1 respectively.

scholarly journals Determination of selected heavy metals in airborne particles in industrial area: A baseline study

2018 ◽  
Vol 14 (2) ◽  
pp. 251-256
Author(s):  
Azman Azid ◽  
Siti Noor Syuhada Muhammad Amin ◽  
Saiful Iskandar Khalit ◽  
Salwani Ismail ◽  
Mohd Saiful Samsudin ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Inductively Coupled Plasma ◽  
Industrial Area ◽  
Southwest Monsoon ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Plasma Mass Spectrometry ◽  
The Mean ◽  
Mean Concentration

This study focuses on airborne heavy metal pollution in the industrial area. Eight points from Paka and Gebeng Industrial Area respectively were selected for this study within two monsoon seasons. The samples were analysed for heavy metals (Cd, As, Cu, Fe, Ni, Pb, and Zn) by using inductively coupled plasma mass spectrometry (ICP-MS). The results showed that the mean concentration value of As, Pb and Cd for Paka were 5.0 ng/L ± 1.0, 107.0 ng/L ± 88.2, and 10.0 ng/L ± 7.5, respectively and Gebeng were 3.5 ng/L ± 1.5, 69.3 ng/L ± 59.3 and 5.1 ng/L ± 3.8, respectively in the southwest monsoon - much higher than the target value by European Commission in Directive 2004/107/EC and Directive 2008/50/EC. It could be concluded that the industrial and transportation emission were the major source of heavy metals in the atmosphere along the Paka and Gebeng Industrial Area. 

Determination of heavy metals in water samples using dual-cloud point extraction coupled with inductively coupled plasma mass spectrometry

2015 ◽  
Vol 7 (16) ◽  
pp. 6732-6739 ◽  
Author(s):  
Guilong Peng ◽  
Qiang He ◽  
Guangming Zhou ◽  
Yong Li ◽  
Xiaoxuan Su ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Cloud Point ◽  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Cloud Point Extraction ◽  
Inductively Coupled ◽  
Real Water Samples ◽  
Icp Ms ◽  
Plasma Mass Spectrometry

A dual-cloud point extraction (d-CPE) technique combined with inductively coupled plasma mass spectrometry (ICP-MS) was used for preconcentration and determination of Cr, Ga, Ag, Cd, Mn, Fe, In, Cu, Ni, Co, Pb and Zn in real water samples.

Single Particle Inductively Coupled Plasma Mass Spectrometry: Investigating Nonlinear Response Observed in Pulse Counting Mode and Extending the Linear Dynamic Range by Compensating for Dead Time Related Count Losses on a Microsecond Timescale

2019 ◽  
Author(s):  
Ingo Strenge ◽  
Carsten Engelhard
Keyword(s):  
Mass Spectrometry ◽  
Inductively Coupled Plasma ◽  
Nonlinear Response ◽  
Dynamic Range ◽  
Dead Time ◽  
Inorganic Nanoparticles ◽  
Linear Dynamic Range ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Plasma Mass Spectrometry

<p>The article demonstrates the importance of using a suitable approach to compensate for dead time relate count losses (a certain measurement artefact) whenever short, but potentially strong transient signals are to be analysed using inductively coupled plasma mass spectrometry (ICP-MS). Findings strongly support the theory that inadequate time resolution, and therefore insufficient compensation for these count losses, is one of the main reasons for size underestimation observed when analysing inorganic nanoparticles using ICP-MS, a topic still controversially discussed.</p>

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