Method for rapidly determining titanium content of titanium alloy blue corrosion solution
A corrosive solution and rapid measurement technology, applied in the chemical industry, can solve problems such as complex processes, and achieve the effects of short time required, stable method, and simple control conditions.
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Embodiment 1
[0043] Determination method of titanium content in pre-corrosion solution: its steps:
[0044] (1) Preparation of sample solution: according to the titanium content range in the tank solution, divide 10.00mL of sample solution into a 150mL polytetrafluoroethylene beaker, add sulfuric acid, evaporate to sulfuric acid fumes, remove and transfer to a 50mL volumetric flask, and set Fill to the mark and shake well to get test solution A;
[0045] (2) Prepare blank solution along with it: except that no sample solution is added, all steps are the same as (1);
[0046] (3) Preparation of chromogenic solution: pipette 10.00mL of test solution A, place it in a 50mL volumetric flask, add hydrogen peroxide and sulfuric acid, dilute to the mark with water, and shake well;
[0047] (4) Preparation of reference solution: Pipette the same volume of test solution A as in (3), place it in a 50mL volumetric flask, add ammonium fluoride solution, hydrogen peroxide and sulfuric acid, and dilute ...
Embodiment 2
[0058] The assay method of titanium content in colored solution 1: its steps:
[0059] (1) Preparation of sample solution: According to the titanium content range in the tank solution, divide 5.00mL of sample solution into a 150mL polytetrafluoroethylene beaker, add sulfuric acid, evaporate to sulfuric acid fumes, remove and transfer to a 200mL volumetric flask, and set Fill to the mark and shake well to get test solution A;
[0060] (2) Prepare blank solution along with it: except that no sample solution is added, all steps are the same as (1);
[0061] (3) Preparation of chromogenic solution: pipette 5.00mL of test solution A, place it in a 50mL volumetric flask, add hydrogen peroxide and sulfuric acid, dilute to the mark with water, and shake well;
[0062] (4) Preparation of reference solution: pipette the same volume of test solution A as in (3), place it in a 50mL volumetric flask, add ammonium fluoride solution, hydrogen peroxide and sulfuric acid, dilute to the mark w...
Embodiment 3
[0073] The assay method of titanium content in the colored solution 2: its steps:
[0074] (1) Preparation of sample solution: According to the titanium content range in the tank solution, divide 5.00mL of sample solution into a 150mL polytetrafluoroethylene beaker, add sulfuric acid, evaporate to sulfuric acid fumes, remove and transfer to a 200mL volumetric flask, and set Fill to the mark and shake well to get test solution A;
[0075] (2) Prepare blank solution along with it: except that no sample solution is added, all steps are the same as (1);
[0076] (3) Preparation of chromogenic solution: pipette 5.00mL of test solution A, place it in a 50mL volumetric flask, add hydrogen peroxide and sulfuric acid, dilute to the mark with water, and shake well;
[0077] (4) Preparation of reference solution: pipette the same volume of test solution A as in (3), place it in a 50mL volumetric flask, add ammonium fluoride solution, hydrogen peroxide and sulfuric acid, dilute to the ma...
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