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GB/T 19421-2008 Test methods of crystalline layered sodium disilicate (USD) via email in 1-3 business day VALID
GB/T 5559-1993 Non-ionic surface active agents obtained from ethylene oxide and ethylene oxide/propylene oxide block copolymers-Determination of cloud point via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 5561-2012 Surface active agents - Determination of viscosity and flow properties using a rotational viscometer (USD) via email in 1-3 business day VALID
GB/T 11989-2020 Surface active agents—Test methods of technical sodium alkylarylsulphonates (excluding benzene derivatives) (USD) via email in 1-3 business day TO BE VALID
GB 5559-1985 (USD) via email in 1-3 business day ABOLISHED
GB/T 5551-1992 Surface active agents-Method for determination of total calcium and magnesium content in dispersing agents via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 7378-1987 (USD) via email in 1-3 business day ABOLISHED
GB/T 35862-2018 Surface active agents—Determination of volatile organic compounds residues—Headspace gas chromatography-mass spectrometry(GC-MS) (USD) via email in 1-3 business day VALID
GB 6370-1986 (USD) via email in 1-3 business day ABOLISHED
GB 7462-1987 (USD) via email in 1-3 business day ABOLISHED
GB 6368-1986 (USD) via email in 1-3 business day ABOLISHED
GB/T 5555-1985 Surface active agents-Textile auxiliaries-Method for determination of acid stability (USD) via email in 1-3 business day ABOLISHED
GB/T 11989-2008 Anionic surface active agents - Determination of soluble matter content in light petroleum (USD) via email in 1-3 business day VALID
GB 5558-1985 (USD) via email in 1-3 business day ABOLISHED
GB/T 38729-2020 Surface active agents—Test methods of technical sodium primary alkylsulphates (USD) via email in 1-3 business day TO BE VALID
ZB G 72002-1989 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 13892-2012 Surface active agents—Determination of iodine value (USD) via email in 1-3 business day VALID
GB/T 16497-1996 Surface active agents-Test method for stability of water-in-oil emulsion-Part 1: Determination of storage stability of water-in-iil emulsion-Oven method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 7380-1995 Surface active agents and detergents-Determination of water content-Karl Fischer method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 15916-1995 Surface active agents—Determination of chelating agent content—Titrimetric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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