NIST SRM 979 ?铬同位素标准Chromium Isotopic Standard

BIR-1a USGS 玄武岩标准物质

SdAR-H1 沉积物 USGS Sediment Reference Materials

SdAR-M2 沉积物 USGS Sediment Reference Materials

SdAR-L2 USGS 沉积物标准物质

GXR-6 USGS 土壤标准物质

MASS-1 多金属硫化物 USGS Synthetic Polymetal Sulfide

MACS-3 合成碳酸钙 USGS Synthetic Calcium Carbonate

GSE-1G 合成玄武岩玻璃 USGS Synthetic Basalt Glass

GSD-1G USGS 合成玄武岩玻璃微分析标准物质

GSC-1G 玄武岩玻璃 USGS Synthetic Basalt Glass

TB-1G 玄武岩玻璃 USGS Basalt Glass

NKT-1G USGS Nephelinite Glass 霞石岩玻璃

BIR-1G 玄武岩玻璃 USGS Basalt Glass

BHVO-2G USGS 玄武岩玻璃微分析标准物质

BCR-2G 玄武岩玻璃 USGS Basalt Glass

NIST SRM 2377 2,2,4 -三甲基戊烷中脂肪酸甲酯Fatty Acid Methyl Esters in 2,2,4-Trimethylpentane

NIST SRM 2374 DNA序列库DNA Sequence Library for External RNA Controls

NIST SRM 2387 花生酱Peanut Butter

NIST SRM 2384 烘焙巧克力Baking Chocolate

NIST SRM 2385 浆状菠菜Slurried Spinach

NIST SRM 2299 汽油中硫元素Sulfur in Gasoline (Reformulated)

NIST SRM 2296 改良配方汽油Reformulated Gasoline (Nominal Mass Fraction 13 % ETBE)

NIST SRM 2261 Hexane中氯化农药标准Chlorinated Pesticides in Hexane

NIST SRM 2275 Isooctane中有机氯农药溶液Chlorinated Pesticide Solution-II in Isooctane

NIST SRM 2366a 巨细胞病毒DNA检测Cytomegalovirus DNA (TowneΔ147?BAC) for DNA Measurements

NIST SRM 2373 HER2 DNA基因组标准Genomic DNA Standards for?HER2?Measurements

NIST SRM 2270 己烷/甲苯中氘代PAH-II溶液Perdeuterated PAH-II Solution in Hexane/Toluene

NIST SRM 2297 改良配方汽油Reformulated Gasoline (Nominal Mass Fraction 10% Ethanol)

NIST SRM 2273 Isooctane中有机氯农药及其代谢产物Chlorinated Pesticides (DDTs) and Metabolites in Isooctane

NIST SRM 2294 改良配方汽油Reformulated Gasoline (Nominal Mass Fraction 11% MTBE)

无机溶液标准物质/标准品

地质、矿产标准物质/标准品

有机溶液标准物质/标准品

钢铁标准物质/标准品

食品标准物质/标准品