GB/T 7492-1987 English PDF

US$279.00 · In stock
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GB/T 7492-1987: Water quality. Determination of BHC and DDT. Gas chromatography

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 7492-1987	279	Add to Cart	3 days	Water quality. Determination of BHC and DDT. Gas chromatography

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Basic data

Standard ID: GB/T 7492-1987 (GB/T7492-1987)
Description (Translated English): Water quality. Determination of BHC and DDT. Gas chromatography
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z16
Classification of International Standard: 13.06
Word Count Estimation: 8,851
Date of Issue: 3/6/1987
Date of Implementation: 8/1/1987
Issuing agency(ies): National Environmental Protection Agency
Summary: This standard applies to surface water, groundwater, and part of the sewage BHC, DDT analysis. The water was extracted with petroleum ether standard BHC, DDT, after purification with electronic capture detector gas chromatography. When the instrument is not used at the same time, the range of different detection methods. ��-BHC usually detected to 4ng/L, DDT can be detected to 200ng/L. Organic samples organophosphorus pesticides, unsaturated hydrocarbons and phthalate esters in the electronic capture device also responds on the identification of these interfering substances can be used to get rid of concentrated sulfuric acid.

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