GB/T 42516-2023
Method for chemical analysis of high temperature shape memory alloys—Determination of platinum content—Thiourea complex precipitation method
HB 5422.7-1989
T/SSAE 33-2023
DIN 54600-1
Testing of paper and board; testing on antimicrobial additives; determination of tetramethylthiuramdisulfid content (TMTD)