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 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
DB63/T 1430-2015
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
DL/T 1151.14-2012
Analytical methods of scale and corrosion products in power plants Part 14:determination of sulfuric acid anhydride-photometric method using barium chromate
DL 422.4-1991
HG/T 2958.2-1988
Celestite ores-Determination of barium content-Barium chromate volumetric method
HB/Z 339.1-1999
HB/Z 5109.1-2001
\u0413\u041e\u0421\u0422 \u0420 57572-2017
Hardeners and accelerators for epoxide resins. Determination of free acid content in acid anhydride
HB/Z 5109.3-2001
DZ/T 0393.4-2021
YS/T 1569.6-2022
QJ 913.3-1985
DZ/T 0454.3-2023
DB53/T 841-2017
ASTM D1306-88(1996)e1
Standard Test Method for Phthalic Anhydride Content of Alkyd Resins and Esters Containing Other Dibasic Acids (Gravimetric) (Withdrawn 2004)
JIS G 1258-3:2007
Iron and steel -- ICP atomic emission spectrometric method -- Part 3: Determination of silicon, manganese, phosphorus, nickel, chromium, molybdenum, copper, vanadium, cobalt, titanium and aluminium contents -- Dissolution in acids and fusion with sodium c
ASTM D1307-56
Method of Test for Phthalic Anhydride Content of Alkyd Resins and Esters Containing Other Dibasic Acids (Spectrophotometric)