GB/T 28653-2012
Ammonium fluoride for industrial use
GB/T 30901-2014
High purity ammonium fluoride solution for industrial use
GB/T 28655-2012
Ammonium bifluoride for industrial use
GB/T 1276-1999
Chemical reagent--Ammonium fluoride
GB/T 1278-1994
Chemical reagent--Ammonium hydrogen difluoride
GB/T 10209.2-2010
Determination of monoammonium phosphate and diammonium phoshpate - Part 2: Phosphorus content
GB/T 32784-2016
Pig iron contenting nickel—Determination of chromium content—Ammonium per sulfate-ammonium ferrous sulfate titration method
20231332-T-606
High purity ammonium fluoride solution
GB/T 10209.1-2008
Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
DB34/T 2266-2014
GB/T 39701-2020
Limit and test method of ammonium ion content in fly ash
DB43/T 1655-2019
GB/T 4702.1-2016
Chromium metal—Determination of chromium content—The ammonium ferrous sulfate titrimetric method
DB34/T 2373-2015
GB/T 24583.1-2019
Vanadium-nitrogen—Determination of vanadium content—Ammonium ferrous sulfate titration method
KS M 1319-2017(2022)
Ammonium hydrogen fluoride
GB/T 4701.1-2009
Ferrotitanium - Determination of titanium content - The ammonium ferric sulfate titration method
DL/T 918-2005
Determination of hydrolysable fluoride content in sulphur hexafluoride
GB/T 6730.32-2013
Iron ores - Determination of vanadium content - The ammonium ferrous sulfate titrimetric method
KS M 8033-2015(2020)
Ammonium hydrogen fluoride