离子交换剂,500G, REXYN 300HOH CERT 16-50M 500G

5-溴-2-氟吡啶, 5-Bromo-2-fluoropyridine

硫酸铈(Ⅳ)铵二水合物最低, Ammonium cerium(IV) sulfate dihydrate

氯离子标准溶液, Chloride standard solution 1000 ppm

4-氯-2,5-二氟安息香酸, 4-Chloro-2,5-difluorobenzoic acid

碱式乙酸铝, Aluminium acetate

脲酶, Urease-active meal

乙二胺四乙酸铁(III)单钠盐, Ethylenediaminetetraacetic Acid

乙炔二羧酸, Acetylenedicarboxylic Acid

DL-1，4-二硫代苏糖醇, DL-1,4-Dithiothreitol