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Water quality heavy metal analyzer water metal detector1
Physical Measuring MeterYSHM-200MWater quality heavy metal detector
Hunan Gonoava Instrument Co Ltd
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Product Description Product DescriptionWater quality heavy metal analyzer Water quality heavy metal detector water metal detector 1. Product featuresThe portable water quality heavy metal rapid detector adopts electrochemical rapid detection method---anodic stripping voltammetry, combined with the national standard method---photometric colorimetry, which can be applied to on-site emergency detection (such as emergency monitoring of water environment pollution accidents). It is applied to the detection and analysis of heavy metals in laboratories. At present, the main customer groups are environmental protection bureaus, water affairs bureaus, monitoring stations, water companies and CDCs, etc., which can be applied to surface water, groundwater, seawater, industrial wastewater and drinking water or Monitoring of other environmental water bodies. Product ParametersWater quality heavy metal analyzer Water quality heavy metal detector water metal detector 2.Product Parameter project The main technical parameters Measurement parameters More than ten heavy metal parameters such as copper, cadmium, lead, zinc, arsenic, mercury, thallium, manganese, antimony, nickel, etc. (more parameters can be extended to measure) scope of test Stripping voltammetry: 0.1μg/L~tens of mg/LColorimetric method: 0.01mg/L~5mg/L (developed copper, chromium, nickel, lead, zinc, iron, cobalt, manganese, etc.)Note: The detection range of different elements is slightly different Repeatability RSD≤2% (calculated as Cd 50μg/L) Indication error ≤±10% The detection limit ≤0.5μg/L Instrument selection:YSHM-200W/YSHM-200MYSHM-200M is equipped with a colorimetric module on the basis of YSHM-200W, which can be extended to measure hexavalent chromium, nickel, manganese and other indicators. It can meet the on-site rapid detection of heavy metals in water quality by environmental monitoring institutions at all levels, academy of environmental sciences, universities, water plants, public security inspection departments, enterprises, etc. Application case: Field test of surface waterWater sample matrix: take some actual water samples from the bank of a certain riverTest method: Take the actual water sample as the matrix, add a certain amount of lead, cadmium, mercury, and hexavalent chromium standard solution (the concentration of each metal ion is 50ug/L), and use the instrument ASV (anode stripping, corresponding measurement of lead, The cadmium, mercury) module and the colorimetric module (corresponding to the measurement of hexavalent chromium) were measured separately, and the actual water sample was tested for the recovery rate of standard addition. Serial number Test items YSHM-200M plus standard 50ug/L measurement results Before adding standardAfter adding standardRecovery valueStandard recovery rate (%) 1lead0.0250.350.2100.42cadmium0.0549.649.599.03Zinc69.6122.552.9105.84HG0.1748.948.797.45Hexavalent chromium0.0349.849.799.4 For the above spiked samples (100ug/L), lead and cadmium were determined by plasma mass spectrometry, zinc by flame atomic absorption method, mercury by atomic fluorescence method, and hexavalent chromium by spectrophotometer. The results are as follows: Serial number Test items YSHM-200M instrument Laboratory instrumentRecovery valueStandard recovery rate (%) Recovery valueStandard recovery rate (%) 1lead101.3101.3101.5101.52cadmium98.898.899.299.23Zinc100.5100.598.898.84HG96.996.9104.0104.05Hexavalent chromium98.598.5102.8102.8Conclusion: The portable water quality heavy metal analyzer has the characteristics of small size, convenient carrying, simple pretreatment, low detection limit, high detection accuracy, and fast detection speed. The test results have a good correlation with laboratory instrument methods, which can be very Convenience.Detailed Photos
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