GB/T 22591-2008
Water treatment chemicals - Bis-hexamethylene ariamine penta-methylene phosphonic acid
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
T/FSI 063-2021
ISO 7610:1985
Oil of sandalwood — Determination of santalols content (in the form of their trimethylsilyl derivative) — Gas chromatographic method on capillary columns