1,2,3,4-Tetramethylbenzene

1,2,3,4-四甲基苯

m-Ethyltoluene

3-乙基甲苯(间甲乙苯)

Vitamin M

叶酸

Calcium-d-pantothenate

D-泛酸钙/维生素B5

Vitamin E Acetate

维生素E醋酸酯

常用浓缩VPH 用标准品 15组分, Stock Concentrate VPH Solution,20.0 mg/mL in MeOH

VPH 保留时间用标准品 / VPH 6种混标, VPH Retention Time Marker,2000 μg/mL in MeOH

Conductivity Standard,1000 μmho in Water

电导标准品

PH-4标准品, Inorganic Wet Chemical pH Std,pH 4 in Water

总有机氮标准品, Total Organic Nitrogen Standard,1000 μg/mL in Water