DL 422.2-1991
GB/T 15057.3-1994
Limestone for chemical industry--Determination of insoluble matter content of hydrochloric acid--Gravimetric method
GB/T 20365-2006
Determination method for chondroitin sulfate and glucosamine hydrochloride - Liquid chromatography method
GB/T 33317-2016
Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method
DL 422.3-1991
DB33/T 308-2001
GB/T 11409.9-2003
Test method of insoluble matter in hydrochloric acid for rubber antiagers and vulcanizing accelerators
DL 422.4-1991
YS/T 1658.6-2023
HB 5220.33-2008
Methods for chemical analysis of superalloys-Part 33:Determination of niobium content by tetraphenyl arsonium chloride hydrochloride gravimetric method
GB/T 14454.16-1993
Aromatics—Determination of carbonyl value and carbonyl compounds content—Hydroxylammonium chloride method
DB31/T 247-2000
GB/T 11409.9-1989
Test method of insoluble matter in hydrochloric acid for rubber antiager and vuclcanizing accelerators
DB53/T 842-2017
\u0413\u041e\u0421\u0422 32045-2012
Feeds, compound feeds, material for compound feeds. Methods for determination of ash content, insoluble in hydrochloric acid
20231371-T-606
Plastics — Phenolic resins — Determination of hexamethylenetetramine content\r Kjeldahl method,perchloric acid method and hydrochloric acid method
T/QGCML 2622-2023
DIN 53770-3
Pigments and extenders - Determination of matter soluble in hydrochloric acid - Part 3: Arsenic content
DIN 53770-4
Pigments and extenders - Determination of matter soluble in hydrochloric acid - Part 4: Barium content
DIN 53770-2
Pigments and extenders - Determination of matter soluble in hydrochloric acid - Part 2: Antimony content