GB/T 7472-1987 English PDF

US$179.00 · In stock
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GB/T 7472-1987: Water quality. Determination of zinc. Spectrophotometric method with dithizone

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 7472-1987	179	Add to Cart	2 days	Water quality. Determination of zinc. Spectrophotometric method with dithizone

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Basic data

Standard ID: GB/T 7472-1987 (GB/T7472-1987)
Description (Translated English): Water quality. Determination of zinc. Spectrophotometric method with dithizone
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z16
Classification of International Standard: 13.06
Word Count Estimation: 5,586
Date of Issue: 3/6/1987
Date of Implementation: 8/1/1987
Issuing agency(ies): National Environmental Protection Agency
Summary: This standard specifies the determination of the water with dithizone spectrophotometric zinc. Sample Type: This standard applies to the determination of natural water and some of trace zinc. See Appendix interference issues related to A. Scope: This standard applies to the determination of the concentration of zinc in 5 ~ 50��g/L of water samples. The detection limit: When using the optical path length 20mm cuvette sample volume is 100ml, a detection limit of 5��g/L. Sensitivity: The standard extraction with carbon tetrachloride, at the maximum wavelength of 535nm absorbance measurements, the molar absorbance of about 9. 3 �� 10 ^ 4L/mol. cm

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