HG/T 5697-2020
p-Sodium sulphonate benzaldehyde
HG/T 5697-2020
HG/T 5697-2020
Surface active agents—Test methods of technical sodium alkylarylsulphonates (excluding benzene derivatives)
HG/T 5697-2020
Guidance of determination for di(2-ethylhexyl) phthalate(DEHP) released from PVC medical devices
HG/T 5697-2020
Quantitative analysis of DEHP in PVC medical devices
HG/T 5697-2020
Chemical reagent Arsenazo Ⅲ
HG/T 5697-2020
Surface active agents — Technical sodium alkylarylsulphonates (excluding benzene derivatives) — Methods of analysis
HG/T 5697-2020
Surface active agents-Technical sodium alkylarylsulphonates(excluding benzene derivatives)-Methods of analysis
HG/T 5697-2020
Surface active agents-Technical sodium alkylarylsulphonates(excluding benzene derivatives)-Methods of analysis
HG/T 5697-2020
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
HG/T 5697-2020
p-Hydrazinobenzenesulfonic acid hemihydrate
HG/T 5697-2020
SURFACE ACTIVE AGENTS. TECHNICAL SODIUM ALKYLARYL-SULPHONATES (EXCLUDING BENZENE DERIVATIVES). DETERMINATION OF THE CONTENT OF THE SODIUM ALKYLARYL-SULPHONATES
HG/T 5697-2020
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
HG/T 5697-2020
HG/T 5697-2020
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
HG/T 5697-2020
Commission Delegated Directive (EU) 2021/1978 of 11 August 2021 amending, for the purposes of adapting to scientific and technical progress, Annex IV to Directive 2011/65/EU of the European Parliament and of the Council as regards an exemption for the use of bis(2-ethylhexyl) phthalate (DEHP), butyl benzyl phthalate (BBP), dibutyl phthalate (DBP) and diisobutyl phthalate (DIBP) in spare parts recovered from and used for the repair or refurbishmen
HG/T 5697-2020
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
HG/T 5697-2020
HG/T 5697-2020
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
HG/T 5697-2020