GB/T 33828-2017: Translated English of Chinese Standard (GBT 33828-2017, GB/T33828-2017, GBT33828-2017): Determination of contents of Fe (III) in nano lithium iron phosphateThis standard specifies the principle, equipment, reagents, procedures and test report contents for the method of determination of trivalent iron content in nano lithium iron phosphate. This standard is applicable to the determination of trivalent iron in nano lithium iron phosphate in the range of 0.2% ~ 5.0%. |
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Contenido
Table of Contents Foreword | 4 |
Equipment | 5 |
Reagent | 6 |
Test and calculation | 7 |
Repeatability | 10 |
Test report | 11 |
Appendix A Informative Trivalent iron qualitative test method | 12 |
Términos y frases comunes
250 mL conical accurately pipette 20.00 acid solution 5.5 acid The mass ammonium ferrous sulfate ammonium sulfate solution binding energy blank solution CALCULATE the mass capacity is 20.00 changes from green chemical shift consumed potassium dichromate dichromate standard titration diphenylamine sulfonate indicator end point ferrous ammonium sulfate ferrous iron ferrous sulfate solution fraction of ferrous fraction of total fraction of trivalent green to purple hydrochloric acid solution lithium iron phosphate mass fraction milliliters mL MIX it uniformly mL conical flask mL of ammonium mL of ferrous mL of hydrochloric mL of sulfuric mL of water Molar mass Mossbauer nano lithium iron potassium dichromate standard RECORD the volume solution changes solution for titration standard deviation standard titration solution sulfate solution 5.10 sulfuric acid 5.3 Sulfuric acid solution surface plate titanium trichloride solution titration of blank titration solution 5.8 titration solution consumed total iron trivalent iron content Volume of potassium volumetric flask XANES