National Standard Substances

National Standard SubstancesNational Standard Substances
  1. The detection of standard human hair sample ( GBW09101 ) provided by National Standard Substances Center showed the results were all within the acceptable range ;

    对国家标准物质中心的人发样(GBW09101)进行平行测定,结果均在规定范围内;

  2. The determined results accord with those of national first grade standard substances and the RSD is less than 5 % .

    对国家一级铀矿石标准物质进行了测定,结果与推荐值吻合,精密度<5%。