SRM 1893  Copper Microhardness Test Block (Knoop)铜的显微硬度块(努)  each
SRM 1894a  Vickers Microhardness of Copper铜的维氏显微硬度  each
SRM 1895  Nickel Microhardness Test Block (Knoop)镍硬度块(努)  each
SRM 1896b  Vickers Microhardness of Nickel镍的维氏显微硬度  each
SRM 1898  Titanium Dioxide Nanomaterial*纳米材料  15g
SRM 1900  Specific Surface Area Standard比表面积标准  4g
美国NIST标准品 SRM 1905  Nickel Microhardness Test Block (Knoop)镍显微硬度测试块(努)  each
SRM 1906  Nickel Microhardness Test Block (Knoop)镍显微硬度测试块(努)  each
SRM 1907  Nickel Microhardness Test Block (Knoop)镍显微硬度测试块(努)  each
SRM 1908  Vickers Microhardness of Nickel镍的维氏显微硬度 each
SRM 1909  Vickers Microhardness of Nickel镍的维氏显微硬度 each
SRM 1917  Mercury Porosimetry Standard压汞法标准  10g
SRM 1918  Mercury Porosimeter Intrusion Standard压汞仪入侵标准  12g
SRM 1921b  IR Transmission Wavelength (Polystyrene Film)红外透射波长(聚苯乙烯膜)  1 card
SRM 1922  Liquid Refractive Index - Mineral Oil液体折射率-矿物油  30mL
SRM 1932  Fluorescein Solution荧光素溶液 3 x 2mL
SRM 1934  Fluorescent Dyes for Quantitative Flow Cytometry (Visible Spectral Range)用于定量流式细胞术(可见光谱范围)的荧光染料  4 ampoules x 1 each level
SRM 1939a  PCBs in River Sediment A河流沉积物中的多氯联苯  50g
SRM 1941b  Organics in Marine Sediment海洋沉积物中的有机物  50g