GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
GB/T 6730.8-2016(\u82f1\u6587\u7248)
铁矿石 亚铁含量的测定 重铬酸钾滴定法
GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
GB/T 6730.38-2017(\u82f1\u6587\u7248)
铁矿石 钴含量的测定 亚硝基-R盐分光光度法
GB/T 39544-2020
Natural rubber latex concentrate—Determination of total phosphate content—Spectrophotometric method
GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
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 4147.3-1984
Method of test for sulfuric acid content in concentrated nitric acid--Volumetry
GB/T 4147.1-1984
Method of test for nitric acid content in concentrated nitric acid--Volumetry
GB/T 33317-2016
Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method
GB/T 4147.4-1984
Method of test for ignited residue content in concentrated nitric acid--Gravimetry
GB/T 4147.2-1984
Method of test for nitrous acid content in concentrated nitric acid--Volumetry
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