品名 | 規(guī)格 | 包裝 | 單價(jià) | 貨期 |
單水磷酸二氫鈉 | USP, BP級(jí) | 250G | 550元 | 咨詢客服 |
USP, BP級(jí)
ASSAY (NaH2PO4) 98.0 - 100.5%
pH OF A 5% SOLUTION 4.2 - 4.5
WATER 11.5 - 14.5%
INSOLUBLE SUBSTANCES -- 0.2%
CHLORIDE (Cl) -- 0.014%
SULFATES (SO4) -- 300 PPM
Al, Ca, & RELATED ELEMENTS TO PASS TEST
ARSENIC (As) -- 2 PPM
HEAVY METALS (as Pb) -- 10 PPM
IRON (Fe) -- 10 PPM
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