GB/T 37629-2019(\u82f1\u6587\u7248)
纺织品 定量化学分析 聚丙烯腈纤维与某些其他纤维的混合物(甲酸/氯化锌法)
GB/T 41437-2022
Determination of naringin and denatonium benzoate in finger paints—High performance liquid chromatography
QJ 1491.1-1988
YS/T 1604-2023
GB/T 42513.1-2023
Methods for chemical analysis of nickel alloys—Part 1: Determination of chromium content—Potentiometric titration method with ammonium iron(II) sulfate
GB/T 223.13-2000
Methods for chemical analysis of iron,steel and alloy--The ammonium ferrous sulfate titrationmethod for the determination of vanadium content
QJ 2843-1996
GB/T 6150.1-2023
Methods for chemical analysis of tungsten concentrates—Part 1:Determination of tungsten trioxide content—Ammonium tungstate igniting gravimetric method
HB 5220.11-2008
Methods for chemical analysis of superalloys-Part 11:Determination of manganese content by ammonium nitrate oxidation-ammonium ferrous sulfate volumetric method
DB34/T 2580-2015
DB51/T 2185-2016
DB51/T 1560-2013
JB/T 9493.7-1999
Method for chemical analysis of manganin and novokostant resistance alloy The EDTA titrimetric method for the determination of aluminum content after separation with ammonium benzoate
GB/T 22662.3-2008
Chemical analysis methods of potassium fluotitanate - Part 3: Determination of potassium fluotitanate content - By ammonium iron sulphate dodecahydrate titration volumetric method
HB 5220.16-2008
Methods for chemical analysis of superalloys-Part 16:Determination of vanadium content by ammonium ferrous sulfate volumetric method
DB35/T 1670-2017
JC/T 2342-2015
Method for the quantitative phase analysis of silicon nitride
DB43/T 2306-2022
YS/T 1512.5-2021
Methods for chemical analysis of copper smelting soot-Part 5: Determination of arsenic content-Ferrous ammonium sulfate titration
HB 5422.16-1989