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GB/T 11941-1989 PDF English

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GB/T 11941-1989: Standard methods for hygienic examination of sulfide in drinking water sources
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GB/T 11941-1989English179 Add to Cart 2 days [Need to translate] Standard methods for hygienic examination of sulfide in drinking water sources

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Basic data

Standard ID GB/T 11941-1989 (GB/T11941-1989)
Description (Translated English) Standard methods for hygienic examination of sulfide in drinking water sources
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard C51
Classification of International Standard 13.060.40
Word Count Estimation 4,434
Date of Issue 9/21/1989
Date of Implementation 7/1/1990
Issuing agency(ies) Ministry of Health of the People Republic of China
Summary This standard specifies the source water used for the determination of sulfide diethylamino aniline spectrophotometry and iodimetry. On diethylamino aniline spectrophotometry for the determination of sulfur content of less than 1mg/L of source water. This method detection limit of 0. 5��g, if we take 50mL water sample, the minimum detectable concentration of 0. 01mg/L. When sulfites than 40mg/L, thiosulfate than 20mg/L, interference of this Law. When water sample color or turbidity interference also should be separated by precipitation or aeration were separated method to eliminate interference. Iodometric method for the determination of sulfur content greater than source water 1mg/L of.

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