五乙烯六胺, Pentaethylenehexamine

硅油,500ML, SILICON OIL 500ML

混合阳离子标准, Mixed cation standard

磷酸氢二钾, POT PHOSPHATE DIBASIC 1KG

甲基纤维素,500G, MTLCELLULOS 4000CP USP/FCC500G

1,10-菲绕啉单水合物, 1,10-Phenanthroline Monohydrate

TRIS BASE 1KG

PH缓冲液, BUFFER PAC PH4 7 10 3X1PT/PK

2,5-二氨基吡啶, 2,5-Diaminopyridine

磷酸氢二钠(无水),2.5KG, SOD PHOS DI ANHY USP/EP 2.5KG