GB/T 36690-2018
Method of determination for 26 elements(copper,nickel,lead,zinc,cadmium,chrome etc.) content in the sludge from industrial waste liquid treatment
YS/T 1319.2-2019
Methods for chemical analysis of tetraammineplatinum(Ⅱ) nitrate-Part 2: Determination of copper,lead,zinc,nickel,iron,manganese and aluminium contents-Inductively coupled plasma atomic emission spectrometry
DB15/T 1463-2018
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