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

VPH 含替代物的第一稀释标准品 / VPH16种套标, VPH Primary Dilution Standard with Surrogate,2000 μg/mL in MeOH

油和油脂标准品, Oil and Grease Standard,1000 μg/mL in Propanol

总无机碳标准, Total Inorganic Carbon Standard,1000 μg/mL 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,100 μg/g in 75 cSt Base oil

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

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,50 μg/g in Mineral oil

22种耐磨金属元素混标, Wear Metals Standard,500 μg/g in 75 cSt Base oil