ASTM D4794-94R22E01
Standard Test Method for Determination of Ethoxyl or Hydroxyethoxyl Substitution in Cellulose Ether Products by Gas Chromatography
| Označení normy: | ASTM D4794-94R22E01 |
| Vydáno: | 01.06.2022 |
| Status: | Active |
| Počet stran: | 3 |
| Sekce: | 06.03 |
| Označení: | cellulose ether; ethoxyl or hydroxyethoxyl substitution; gas chromatography; |
| ASTM označení: | ASTM D4794 |
| Nahrazuje: | D4794-94R17 |
1.1 This test method is applicable to the determination of ethoxyl or hydroxyethoxyl substitution in cellulose ether products by a Zeisel gas chromatographic technique.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 5 and 9.1.8.1.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.