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GB/T 17135-1997 PDF English

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GB/T 17135-1997: Soil quality. Determination of total arsenic. Spectrophotometric method with potassium borohyride and silver nitrate
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GB/T 17135-1997English209 Add to Cart 3 days [Need to translate] Soil quality. Determination of total arsenic. Spectrophotometric method with potassium borohyride and silver nitrate

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Basic data

Standard ID GB/T 17135-1997 (GB/T17135-1997)
Description (Translated English) Soil quality. Determination of total arsenic. Spectrophotometric method with potassium borohyride and silver nitrate
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Z18
Word Count Estimation 6,699
Date of Issue 12/8/1997
Date of Implementation 5/1/1998
Summary This standard specifies the determination of potassium borohydride total arsenic in soil - silver nitrate spectrophotometry. The detection limit of the standard method of 0. 2mg/kg (calculated by weighing 0. 5g sample). Can form covalent hydrides antimony, bismuth, tin, selenium and tellurium content of arsenic at 20 times the available dimethylformamide - ethanolamine impregnated cotton wool to remove, or can not use the standard. There are positive interference on the determination of sulfur in the oxidation decomposition of the sample, nitric acid oxidation of sulfide has been broken, no longer affected. There may be a small amount of sulphide reagent can be used to remove the absorption of lead acetate cotton.

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