change_guy88
09-28-2010, 10:44 AM
Bác nào có thể cho em biết code của mấy loại hóa chất Merck này không
Em đang cần gấp nhưng không biết code
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
4. Sodium carbonate volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) CertiPUR® NA2CO3.
5. Sodium chloride volumetric standard, secondary reference material for argentometry, traceable to NIST Standard Reference Material (SRM) CertiPUR® NaCl.
Đa tạ:014:
Em đang cần gấp nhưng không biết code
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
4. Sodium carbonate volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) CertiPUR® NA2CO3.
5. Sodium chloride volumetric standard, secondary reference material for argentometry, traceable to NIST Standard Reference Material (SRM) CertiPUR® NaCl.
Đa tạ:014: