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

可吸附有机卤化物, Absorbable Organic Halogens,200 μg/mL in Water

总固体标准品, Solids ,N/A

柴油套标, Weathered #2 Diesel Fuel (Low Sulfur) Set

21种耐磨金属混标, Wear Metals Standard,500 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,10 μg/g in 75 cSt Base oil

22种耐磨金属元素混标, Wear Metals Standard,900 μg/g in 75 cSt Base oil

23种耐磨金属元素混标, 23 Wear Metal Multi Element,30 μg/g in 75 cSt Base oil

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

铅标准品