T/CXCY 0013-2025 Active Group standards

T/CXCY 0013-2025 Chemical Analysis Method for Rutile Determination of Titanium Dioxide

T/CXCY 0013-2025

Publish Date: 2025-07-01 Implement Date: 2025-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CXCY 0013-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Ti and Ti alloys

Publish Date: 2025-07-01

Implement Date: 2025-07-01

Scope

Main technical content: Table of Contents Preface II1 Scope 12 Normative Reference Documents 13 Terms and Definitions 14 Method Principles 14.1 Acid Dissolution Method 14.2 Alkali Fusion Method 15 Reagents 16 Reagent Preparation 16.1 Hydrochloric Acid (1:1) 16.2 Aluminum Foil: Analytical Grade (99.5%) 16.3 Sulfuric Acid (1:3) 16.4 Saturated Sodium Bicarbonate Solution 16.5 Potassium Thiocyanate Indicator (25% Solution) 16.6 Ammonium Ferric Sulfate Standard Solution (0.05 mol/L) 16.7 Potassium Permanganate Solution (1%) 27 Instrumentation and Equipment 28 Test Procedures 28.1 Sample Preparation 28.2 Number of Determinations 28.3 Blank Test 28.4 Test Procedures 28.4.1 Sample Pretreatment 28.4.2 Titration 39 Test Data Processing 310 Precision 310.1 Reproducibility 310.2 Repeatability 311 Test Report 3 Appendix A (Normative) Preparation Method and Titration Standardization of Ammonium Ferric Sulfate Standard Solution (0.05 mol/L) 5A.1 Preparation Method 5A.2 Standardization 5A.3 Calculation of Samples