GB/T 33387-2016 in English
VALIDTrans-1,3,3,3-tetrafluoropropene[HFO-1234ze(E)]for industrial use
- Issued on:2016-12-30
- Implemented on:2017-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$136.00
《GB/T 33387-2016工业用反式-1,3,3,3-四氟丙烯[HFO-1234ze（E）]》由TC63（全国化学标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。
Introduction
Overview of the Standard for Industrial Trans-1,3,3,3-Tetrafluoropropene
GB/T 33387-2016 "Industrial Trans-1,3,3,3-Tetrafluoropropene" is the first national standard formulated by China for this chemical, which regulates its quality requirements and testing methods for industrial use. This standard applies to products made from tetrachloropropene, pentafluoropropane, etc. as raw materials, reacting with anhydrous hydrogen fluoride under the action of a catalyst.
Comparison of technical indicators
| Items | Superior product indicators | Qualified product indicators |
|---|---|---|
| Trans-1,3,3,3-tetrafluoropropene content (%) | ≥99.8 | ≥99.5 |
| Water content (%) | ≤0.001 | ≤0.001 |
| Acidity (HC l, %) | ≤0.0001 | ≤0.0001 |
| Evaporation residue (%) | ≤0.005 | ≤0.01 |
Test method analysis
Determination of trans-1,3,3,3-tetrafluoropropene content:Gas chromatography was used with a hydrogen flame ionization detector (FID) and the content was calculated by the correction area normalization method. Recommended chromatographic conditions: capillary column (50m×0.32mm×8μm), initial temperature 70℃, rising to 180℃.
Water content determination:According to the Karl Fischer coulometric method or electrolytic method in GB/T 7376-2008.
Determination of chloride (Cl-): Refer to GB/T 33064, by ion chromatography or other applicable methods.
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