QB/T 2623.1-2020
Test methods of soaps-Determination offree caustic alkali content in soaps(ISO 456:1973, Surface active agents-Analysis of soaps-Determination of free caustic alkali, MOD)
QB/T 2623.1-2003
BS EN 13435:2002
Surface active agents. Determination of free amine content of alkyl dimethyl betaines
UNE-EN 13435:2002
Surface active agents - Determination of free amine content of alkyl dimethyl betaines.
DIN EN 13435
Surface active agents - Determination of free amine content of alkyl dimethyl betaines; English version of DIN EN 13435
GB/T 21126-2007
Determination of sodium formaldehyde sulfoxylate in grain products
T/SATA 036-2022
20233875-T-449
Determination of sodium formaldehyde sulfoxylate in grain products
ISO 5933:1980
Boric acid, boric oxide, disodium tetraborates and crude sodium borates for industrial use — Determination of total nickel content of boric acid, boric oxide and disodium tetraborates and the alkali-soluble nickel content of crude sodium borates — Furil alpha-dioxime photometric method