GB/T 7471-1987 English PDF

US$209.00 · In stock
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GB/T 7471-1987: Water quality. Determination of cadmium. Spectrophotometric method with dithizone

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 7471-1987	209	Add to Cart	3 days	Water quality. Determination of cadmium. Spectrophotometric method with dithizone

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Basic data

Standard ID: GB/T 7471-1987 (GB/T7471-1987)
Description (Translated English): Water quality. Determination of cadmium. Spectrophotometric method with dithizone
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z16
Classification of International Standard: 13.06
Word Count Estimation: 6,622
Date of Issue: 3/6/1987
Date of Implementation: 8/1/1987
Issuing agency(ies): National Environmental Protection Agency
Summary: This standard specifies the use of dithizone spectrophotometric determination of cadmium in water and wastewater. Sample Type: This standard applies to the determination of the natural trace cadmium in water and waste water. See Appendix interference issues related to A. Scope: This standard applies to the determination of the concentration of cadmium in the range of 1 ~ 50��g/L, the cadmium concentrations higher than 50��g/when appropriate dilution of the sample can then be determined. The detection limit: When using the optical path length of 20mm when 100ml cuvette, sample volume, detection limit is 1��g/L. Sensitivity: This standard was extracted with chloroform, at the maximum wavelength of 518nm absorbance measurements, its molar absorption coefficient of 8. 56 �� 10 ^ 4L/mol. cm.

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