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 29340-2012
Analysis of water used in boil and cooling system - Determination of chloride - Ammonium thiocyanate titration method
DB44/T 456-2007
YB/T 4825-2020
QJ 1491.1-1988
HB/Z 5089.5-2004
Methods for analysis of plating black nickel solutions-Part 5:Determination of ammonium thiocyanate content by potentiometric titrimetric method
T/GXAS 474-2023
GB/T 6276.7-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 7:Arsenic content—Silver diethyl dithiocarbamate photometric method
GB/T 6276.7-1986
Ammonium hydrogen carbonate for industrial use—Determination of arsenic content—Silver diethyl dithiocarbamate photometric method
ISO 5786:1978
Ammonium sulphate for industrial use — Determination of arsenic content — Silver diethyldithiocarbamate photometric method
ISO 3333:1975
Ammonium sulphate for industrial use — Determination of copper content — Zinc dibenzyldithiocarbamate photometric method
ISO 4275:1977
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of arsenic content — Silver diethyldithiocarbamate photometric method