规格纯度
全部
[97%]
[99.5%]
[98%]
[spectrophotometric grade， 99%]
[3.0 mg/mL 基质:二硫化碳 U=2%]
[99%]
[95%]
[Standard for GC，>99%(GC)]
[无水级, ≥95%]
[无水级, ≥99%]
[≥99%]
[PureSpectra, 光谱纯, ≥99%]
[分析标准品, ≥99.5%(GC)]
[≥95%]
[Standard for GC, ≥99%(GC)]
[99%(GC)（标准试剂）]
[ 3.0 mg/mL 基质:二硫化碳 U=2%]
[99%（GC）]
[97%用于合成]
[99% 超干溶剂, J&KSeal瓶]
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