Nicotinamide

烟酰胺/尼克酰胺/维生素B3/3-吡啶甲酰胺

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

VPH 保留时间用标准品 / VPH 6种混标, VPH Retention Time Marker,2000 μg/mL in MeOH

PH-10标准品, Inorganic Wet Chemical pH Std,pH 10 in Water

总有机卤化物, TOX Standard,1000 μg/mL in Methanol

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,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,30 μg/g in Mineral oil

22种耐磨金属元素混标, Wear Metals Standard,50 μg/g in 75 cSt Base oil

23种耐磨金属元素混标, 23 Wear Metal Multi Element,100 μg/g in 75 cSt Base oil