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GB/T 12009.2-2016 Active
GB/T 12009.2-2016 Plastics—Aromatic isocyanates for use in the production of polyurethane—Part 2:Determination of hydrolysable chlorine
Abstract
This part of GB/T 12009 specifies the method for determining the hydrolysis chlorine in aromatic isocyanates used in polyurethane production by potentiometric titration.
This part is applicable to the determination of the hydrolysis chlorine content in toluene diisocyanate, 4,4′-diphenylmethane diisocyanate, polyisocyanates and other soluble isocyanates.
This part is not applicable to substances containing thiocyanate, cyanide, sulfide, bromide, iodide, or other substances that can react with silver ions and reduce silver ions in acidic solutions.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 12009.2-2016 |
| CCS | Basic standards and general methods for synthetic resins and plastics |
| ICS | Raw materials for rubber and plastics |
| Implement Date | 2016-09-01 |
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