Standard Guide for Quality Assurance Protocols for Chemical Analysis of Atmospheric Wet Deposition
NORMA vydaná dňa 1.5.2018
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Designation standards: ASTM D6328-18
Publication date standards: 1.5.2018
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
This guide describes quality assurance protocols for the determination of the anions and cations in atmospheric wet deposition which include the minimum recommended requirements for the preparation of calibration standards and suggested procedures for validating laboratory measurement results. Specimens to be used in all tests shall consist of reagent grade chemicals, water, and standard solutions. Common techniques for chemical analysis include automated colorimetry; ion chromatography, flame atomic absorption spectrophotometry, electrometry, and inductively coupled plasma spectrometry. Analytical precision and bias determinations shall be done for evaluation of the reference materials. Samples for reanalysis may be selected from the evaluation of control charts and the calculation of ion and conductivity percent differences.
Keywords:
atmospheric deposition, atomic absorption spectrophotometry, ion chromatography, quality assurance, quality control, wet deposition,, ICS Number Code 03.120.10 (Quality management and quality assurance), 13.040.20 (Ambient atmospheres), 71.040.40 (Chemical analysis)