全部
>99.0%(GC)
>99.5%(GC)
≥99.5%
≥99.5%(GC)
≥99.5%(GC)(标准试剂)
≥99%(GC)
98%
99.0%(GC&T)
99.5%
99.5%, Water≤50 ppm(
99.50%
99%
AR
Assay: 99.5%
CP,98%
purified by redistillation, 99.95%
Standard for GC, ≥99.5%(GC)
Standard for GC,≥99.
分析标准品, ≥99.5%(GC)
化学纯(CP), ≥98%