Vitamin H

D-生物素(维生素H,辅酶R)

维生素K2, Vitamin K2

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

挥发性石油烃混标/VPH 基质加标用标准品 11种混标, VPH Matrix Spike ,Varied conc. in MeOH

Conductivity Standard,1000 μmho in Water

电导标准品

总无机碳标准, Total Inorganic Carbon Standard,1000 μg/mL in Water

总有机碳, Total Organic Carbon Std,1000 μg/mL in Water, tr Sulfuric acid

矿物油21 种耐磨金属多元素套标, Wear Metal Multi-Element Set

21种耐磨金属混标, Wear Metals Standard,50 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,300 μg/g in Mineral oil

22种耐磨金属元素混标, Wear Metals Standard,10 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

23种耐磨金属元素混标, 23 Wear Metal Multi Element,50 μg/g in 75 cSt Base oil

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

硼粉

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

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