GB/T 6730.6-2016
Iron ores—Determination of metallic iron content—Ferric chloride-sodium acetate titrimetric method
GB/T 12010.6-1989
Determination for sodium acetate contents of polyvinyl alcohol resins
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 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
GB/T 4702.5-2008
Chromium metal - Determination of aluminium content - EDTA titrimetric method and flame atomic absorption spectrometric method
GB/T 4702.4-2008
Chromium metal - Determination of iron content - EDTA titrimetric method and flame atomic absorption spectrometric method
HG/T 5016~5017-2016
HG/T 5017-2016
Determination of ethylenediamine tetraacetic acid disodium (EDTA) and copper content in chemical copper plating effluent
GB/T 13530.2-1992
Sodium ethoxylated alkyl sulfate—Determination of unsulfated matter content
GB/T 13530.1-1992
Sodium ethoxylated alkyl sulfate—Determination of total active matter content
GB/T 11213.6-1989
Sodium hydroxide for chemical fiber use--Determination of sulphate mass fraction--Turbidimetric method
GB/T 693-2024
Chemical reagent—Sodium acetate trihydrate
GB/T 693-1996
Chemical reagent--Sodium acetate trihydrate
GB/T 694-2015
Chemical reagent—Sodium acetate anhydrous
BS 4427-12:1979
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Condensed phosphates for industrial use (including foodstuffs). Determination of arsenic content. Silver diethyldithiocarbamate photometric method
NY/T 4405-2023
UNE 55511-3:1980
SURFACE ACTIVE AGENTS. ANALYSIS OF TECHNICAL SODIUM PRIM-ALKYLSULFATES. DETERMINATION OF CONTENT OF ETHYL ETHER EXTRACTABLE PRODUCTS AFTER AN ACIDE HYDROLYSIS (TECHNICAL COMBINED FATTY ALCOHOLS)
NY/T 4406-2023