HJ/T 399-2007 English PDF

US$389.00 · In stock
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HJ/T 399-2007: Water quality. Determination of the chemical oxygen demand. Fast digestion-spectrophotometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
HJ/T 399-2007	389	Add to Cart	3 days	Water quality. Determination of the chemical oxygen demand. Fast digestion-spectrophotometric method	Valid

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Basic data

Standard ID: HJ/T 399-2007 (HJ/T399-2007)
Description (Translated English): Water quality. Determination of the chemical oxygen demand. Fast digestion-spectrophotometric method
Sector / Industry: Environmental Protection Industry Standard (Recommended)
Classification of Chinese Standard: Z23
Classification of International Standard: 13.060.01
Word Count Estimation: 12,149
Date of Issue: 2007-12-07
Date of Implementation: 2008-03-01
Quoted Standard: GB/T 6682; GB/T 11896; JJG 975
Regulation (derived from): SEPA Notice No. 81 of 2007
Issuing agency(ies): Ministry of Ecology and Environment
Summary: This standard specifies the quality of chemical oxygen demand rapid digestion scenery spectrophotometric method. This standard applies to surface water, groundwater, sewage and industrial effluent COD determination. This standard undiluted water samples, the COD determination limit of 15mg/L, measured a maximum of 1000mg/L, its chloride ion concentration should not exceed 1000mg/L. This standard for chemical oxygen demand greater than 1000mg/L or chlorine ion content greater than 1000mg/L in water samples can be measured after appropriate dilution.

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