Vitamin D2

维生素D2

水溶性维生素套标, Water Soluble Vitamin Set

生物需氧量, Biological Oxygen Demand Standard,10000 μg/mL in Water

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

非比浊度标准, Non-Ratio Turbidity Standard,400 NTU in Water

21种耐磨金属混标, Wear Metals Standard,10 μg/g in 75 cSt Base oil

21种耐磨金属混标, Wear Metals Standard,30 μg/g in 75 cSt Base oil

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,500 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

22种耐磨金属元素混标, Wear Metals Standard,50 μg/g in 75 cSt Base oil

23种耐磨金属元素混标, 23 Wear Metal Multi Element,100 μg/g in 75 cSt Base oil

Bismuth Wear Metal,1000 μg/g in 75 cSt Base oil

铋粉

铜, Copper Wear Metal ,5000 μg/g in 75 cSt Base oil

Silver Wear Metal,5000 μg/g in 75 cSt Base oil

银

Aluminum Standard,5000 μg/g in Mineral oil

铝标准溶液