Code hóa chất Merck

..:: TÀI NGUYÊN CỦA CHEMVN - CHEMVN'S RESOURCE ::. E-LIBRARY
1

Bạn nào biết cách tìm code hóa chất Merck thì tìm hộ mình mấy chất dưới đây với nhé :

  1. Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) CertiPUR® KHC8H4O4.
  2. di-Sodium oxalate volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) CertiPUR® NA2C2O4. 3.Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) CertiPUR® K2CR2O7
  3. Sodium carbonate volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) CertiPUR® NA2CO3.
  4. Sodium chloride volumetric standard, secondary reference material for argentometry, traceable to NIST Standard Reference Material (SRM) CertiPUR® NaCl. Cảm ơn nhiều