SN/T 2536-2010 English PDF

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SN/T 2536-2010: Rules of designation for import and export refrigerants
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2536-2010	224	Add to Cart	3 days	Rules of designation for import and export refrigerants	Valid

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Basic data

Standard ID: SN/T 2536-2010 (SN/T2536-2010)
Description (Translated English): Rules of designation for import and export refrigerants
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: G17
Classification of International Standard: 71.100.45
Word Count Estimation: 12,130
Date of Issue: 2010-03-02
Date of Implementation: 2010-09-16
Adopted Standard: ISO 817-2005, IDT
Regulation (derived from): National Quality Inspection (2010) 98; industry standard filing Notice 2010 No. 5 (No. 125 overall)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the method of import and export of refrigerant and component identification number prefix allocation method. This standard applies to imports of the refrigerant named.

SN/T 2536-2010: Rules of designation for import and export refrigerants

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Rules of designation for import and export refrigerants Exit inspection and quarantine industry standard book People's Republic of China SN/T 2536-2010/ISO 817.2005 Importers refrigerant naming rules (ISO 817.2005, Refrigerants-Designationsystem, IDT) Issued on. 2010-03-02 2010-09-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard is identical with ISO 817.2005 "Refrigerant naming" (in English), in the standard text format according to GB/T 1.1- 2000 made editorial changes. Appendix A of this standard is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau, Changzhou import and export of industrial and consumer safety testing center. The main drafters of this standard. Wang Hongsong, Xu Yan, Wang Rong, Tang Jianmin, Gao Xiang, Wang Ye. This standard is the first release of the entry-exit inspection and quarantine industry standards. SN/T 2536-2010/ISO 817.2005 Importers refrigerant naming rules

1 Scope

This standard specifies the method of distribution and export of refrigerant numbering and component identification prefix. This standard applies to naming Importers refrigerant.

2 Terms and definitions

The following terms and definitions apply to this standard. 2.1 Refrigerant mixture of two or more, at a constant pressure and temperature equilibrium, of each component in the liquid and gas Same content phase. 2.2 A mixture of two or more different refrigerants containing. 2.3 Mass ratio of two or more chemical elements are determined by the chemical reaction of a substance. 2.4 Compound a cyclic structure of three or more atoms forming the molecular structure containing at least. 2.5 Two types of compounds with different molecular structures or more compounds having the same chemical composition. NOTE. isomers having different physical properties. Example. R-600 (CH3CH2CH2CH3) boiling point is 0 ℃, and R-600a (CH (CH3) 2CH3) a boiling point of -12 ℃. Two compounds contain 4 carbon atoms and 10 hydrogen atoms. 2.6 The composition of the liquid refrigerant mixture. Note. The refrigerant mixture of Table 2 and Table 3. 2.7 In mechanical refrigeration systems, heat transfer material was used. Absorbs heat at low temperature and pressure, and heat transfer to the high temperature and pressure at In this process, often accompanied with the change of phase state. 2.8 Value is equal to the relative molar mass of the molecular weight in grams per mole (g/mol). 2.9 Containing at least one carbon-carbon double or triple bond compounds. SN/T 2536-2010/ISO 817.2005 ......

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