全部
>95%
>98%
>99.0%(GC)
≥99%(GC)
0.1% w/w in Water
1% in Water
10% in Water
100 mg/l
80% w/w aq. soln.
97%
98%
99.0%(GC)
99.5%
99.9%
99%
analytical standard
AR
certified
Standard for GC, ≥99.5%(GC)
Standard for GC,≥99.
分析标准品, ≥99.8%(GC)
化学纯(CP), ≥98%
电池级, 99.9%, Water≤20
试剂级, 98%