化学需氧标准品(COD), Chemical Oxygen Demand Std,500 μg/mL in Water

六价铬标准品, Hexavalent Chromium (Cr6+) Standard,1000 μg/mL in Water

总固体标准品, Solids ,N/A

标准品, TOX Standard,1000 μg/mL in Methanol

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

21种耐磨金属混标, Wear Metals Standard,900 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,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