AccuStandard
UOP方法543标准品(GC 分析芳香烃中非芳香烃), UOP Method 543 Standard,Varied Conc by wgt%
UOP方法931标准品(用GC 分析混合二甲苯中痕量杂质), UOP Method 931 Standard,Varied wt%
USP 561农药标准品, USP 561 Pesticide Standard SET
1,2,3,4-Tetramethylbenzene
1,2,3,4-四甲基苯
Vitamin B2
维生素B2/核黄素
维生素K2, Vitamin K2
VPH15种稀释混标, VPH Primary Dilution Standard,2000 μg/mL in MeOH
VPH 含替代物的第一稀释标准品 / VPH16种套标, VPH Primary Dilution Standard with Surrogate,2000 μg/mL in MeOH
亚甲基蓝活性标准物质, Methylene Blue Activated Substance Standard,1000 μg/mL in Water
标准品, TOX Standard,1000 μg/mL in Methanol