Vitamin H

D-生物素(维生素H,辅酶R)

Vitamin E Succinate

维生素 E 琥珀酸酯

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

碱度标准品, Alkalinity Standard,1000 μg/mL in Water

PH-4,水溶剂, Inorganic Wet Chemical pH Std,pH 4 in Water

柴油套标, Weathered #2 Diesel Fuel Set

21种耐磨金属混标, Wear Metals Standard,300 μg/g in 75 cSt Base oil

ICP-AES法分析旧润滑油中的添加元素、磨损金属和污染物标准品ASTM D-5185-97, 21 Element Wear Metal Standard,10 μg/g in Mineral oil

22种耐磨金属元素混标, Wear Metals Standard,30 μg/g in 75 cSt Base oil

23种耐磨金属元素混标, 23 Wear Metal Multi Element,10 μg/g in 75 cSt Base oil