SRM 2135c  Ni/Cr Thin Film Depth Profile鎳/鉻薄膜深度剖面  each
美國(guó)NIST標(biāo)準(zhǔn)品 SRM 2137  Boron Implant in Silicon Standard for Calibration of Concentration in a Depth Profile一種深度剖面濃度校正的硼硅標(biāo)準(zhǔn)  each
SRM 2139  Zinc-Aluminum Alloy鋅鋁合金  100g
SRM 2141  Urea尿素  2g
SRM 2143  p-Fluorobenzoic Acid對(duì)氟苯甲酸  2g
SRM 2144  m-Chlorobenzoic Acid間氯苯甲酸  2g
SRM 2151  Nicotinic Acid (Combustion Calorimetric Standard)煙酸(燃燒量熱標(biāo)準(zhǔn))  25g
SRM 2152  Urea (Combustion Calorimetric Standard)尿素(燃燒量熱標(biāo)準(zhǔn))  25g
SRM 2159  LA Steel, Carbon & Sulfur only鑭鋼，碳和硫 200g
SRM 2160  LA Steel, Carbon & Sulfur only鑭鋼，碳和硫 200g
SRM 2165  Low Alloy Steel低合金鋼  150g
SRM 2166  LA Steel, F拉鋼, F  150g
SRM 2167  LA Steel, G拉鋼,G  150g
SRM 2168  High Purity Iron高純度鐵  150g
SRM 2171  LA Steel, (HSLA 100)拉鋼(低合金高強(qiáng)度100)  150g
SRM 2172  S-7 Tool SteelS-7工具鋼  150g