3.7%
≥99%, 2μm
医药级, PharmPure™
AR
USP
试剂级
98%
≥99.99% metals basis
99%
优级试剂, 50 wt. % in H2O
≥95%
≥95.0%
99.99% trace metals basis
97%
P2O5 ca 7.5% w/w
≥98%