焦磷酸鈉

CAS登錄號(hào)：7722-88-5
英文名稱(chēng)：Sodium pyrophosphate anhydrous
分子式：NA4P2O7
分子量：265.9 
EINECS：231-767-1
  執(zhí)行標(biāo)準(zhǔn)GB8848-1988 
  指標(biāo)名稱(chēng)                                               指標(biāo) 
  主含量（以干基計(jì)）           %≥                       96.5 
  水不溶物含量                 %≤                       0.20 
  PH值 （1%水溶液）                                      9.9-10.7 
  正磷酸鹽                                               合格 
  砷AS含量                     %≤                       0.0003 
  重金屬（計(jì)Pb含量）           %≤                       0.001 
  氟化物含量                   %≤                       0.005 
  灼燒減量                 &