全部
≥99%
98.0%(GC)
98%
99.5%
99.5%(GC)
99.5%(GC)(标准试剂)
99%
analytical standard
Assay: 99.6%
certified
certified reference material, TraceCERT
diam. 5 mm ( 3/16 in.), pkg of 50 ea
Standard for GC, ≥99.5%(GC)
Standard for GC,>99.
分析对照品, ≥99.7% (GC)
分析标准品, ≥99.7%(GC)