GB/T 4701.1-2009 Translated English of Chinese Standard. (GBT 4701.1-2009, GB/T4701.1-2009, GBT4701.1-2009): Ferrotitanium - Determination of titanium content - The ammonium ferric sulfate titration methodThis Part of GB/T 4701 specifies the determination of titanium content in ferrotitanium using the ammonium ferric sulfate titration method. This Part applies to the determination of titanium content in ferrotitanium. Measuring range (mass fraction): 20.00%~80.00%. |
Contents
| 3 | |
Scope | 4 |
Reagents and materials | 5 |
Instruments | 7 |
Sampling and preparation of samples | 8 |
Calculation of analytical result | 10 |
Allowable difference | 11 |
Common terms and phrases
1000 mL volumetric 400 mL beaker 500 mL conical ADD 10 mL aluminum foil aluminum is completely ammonium ferric sulfate ammonium thiocyanate solution blank test Bunsen valve carbon dioxide completely dissolved content in ferrotitanium content of titanium determination of titanium dilute to volume ferric sulfate consumed ferric sulfate NH4Fe(SO4)2 ferric sulfate solution Ferroalloy filter paper Gai funnel GB/T glass tube grams per millimeter hydrochloric acid 4.5 hydrofluoric acid hydrogen peroxide interfering elements Magnetic stirrer mass fraction Mass of titanium milliliters mL millimeter g/mL mL conical flask mL of ammonium mL of hydrochloric mL of sulfuric mL of water mL volumetric flask nitric acid oxygen free oxygen PERFORM as specified PIPETTE precipitate preparation of samples rubber tube sampling and preparation sodium hydroxide solution solution of ammonium specified in 7.3.4 standard titration solution stir bar sulfate titration method sulfuric acid 4.8 test solution 7.3.1 titanium content titanium equivalent titration device water to dilute