全部
≥99.9%(GC), 低苯级
≥99%
100 μg/mL
100 μg/mL in MeOH
100(μg/mL)
1000(μg/mL)
1000mg/L
1000μg/mL
100μg/mL in Hexane
2.0 mg/mL in MeOH
20μg/mL
5 M in ethanol
5.0 mg/mL in MeOH
5000 μg/mL
98.0%(GC)
99.5%
99%
ACS, ≥99.9%
ACS,≥99.9%
Anhydrous, ≥99%
AR
Assay: 99.3%
certified reference material, 5000 μg/mL in methanol
for HPLC,≥99.9%,水封
N/A
PureSpectra?, 光谱纯, ≥99.5%(GC)
Reagent Grade, 99.0%
Standard for GC, ≥99.9% (GC)
Standard for GC, ≥99.9%(GC)
UltraPureChrom?, for HPLC, ≥99.9%
不稀释(1.5μg/mL)
不稀释(2.3μg/mL)
不稀释(4.1μg/mL)
不稀释(59.8μg/mL)
不稀释5μg/mL
优级试剂, 99.0%, 水封
低苯<0.02%, 适用于苯系物分析检测
低苯级,≥99%
光谱纯,≥99.5%(GC)
符合测试USP/NF专著的试剂规范色谱级