挥发性石油烃混标 / VPH15种混标, VPH Solution,200 μg/mL in MeOH

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

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

亚甲基蓝活性标准物质, Methylene Blue Activated Substance Standard,1000 μg/mL in Water

PH-7标准品, Inorganic Wet Chemical pH Std,pH 7 in Water

汽油套标, Weathered Gasoline Set

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,30 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

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,30 μg/g in Mineral oil