纯度:
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97%
≥98%(以实测数值为准)BR
99%
99.0%
≥99.5%AR
≥99.5%, 1250目
≥99.5%, 2500目
≥99.5%, 5000目
AR ≥99.5%
99.6%,25μm
99.6%,1-3μm
99.8%,1μm,,高白度
99.8%,10μm
99.8%,10μm,,高白度
99.8%,25μm
99.9% metals basis,2~10μm
99.99% metals basis,2~10μm
99.99% (metals basis, 2-10μm)
1000μg/mL
3802
适用于GB/T 7480-87, 水质硝酸盐氮的测定
powder, extra pureRG
AR
reagentgrade,
CP
76.5% min
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