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QB/T 4969-2016 English PDF

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QB/T 4969-2016: Surface active agents. Determination of cationic surfactant in raw materials and formulated products. Potentiometric titration method
Status: Valid
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QB/T 4969-2016English189 Add to Cart 3 days [Need to translate] Surface active agents. Determination of cationic surfactant in raw materials and formulated products. Potentiometric titration method Valid QB/T 4969-2016

PDF similar to QB/T 4969-2016


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Basic data

Standard ID QB/T 4969-2016 (QB/T4969-2016)
Description (Translated English) Surface active agents. Determination of cationic surfactant in raw materials and formulated products. Potentiometric titration method
Sector / Industry Light Industry Standard (Recommended)
Classification of Chinese Standard G73
Word Count Estimation 8,868
Date of Issue 2016-07-11
Date of Implementation 2017-01-01
Regulation (derived from) Ministry of Industry and Information Technology (2016 No. 37); Industry Standard Record Announcement 2016 No. 9 (Total No. 201)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies potentiometric titration of cationic surfactants in surfactant raw materials and formulated products. When the analysis results are expressed in mass fraction, the average relative molecular mass of the cationic surfactant is known or measured in advance. This standard does not apply to the determination of the presence of anionic surfactants or amphoteric surfactants. Note 1: Urea and ethylenediaminetetraacetate and sodium carboxymethylcellulose do not interfere. Note 2: When nonionic surfactants are present, their effects are estimated according to each special case. Note 3

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