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GB/T 14457.2-2013 English PDF

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GB/T 14457.2-2013: Fragrance/Flavor substances -- Method for determination of distillation range
Status: Valid

GB/T 14457.2: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14457.2-2013English279 Add to Cart 3 days [Need to translate] Fragrance/Flavor substances -- Method for determination of distillation range Valid GB/T 14457.2-2013
GB/T 14457.2-1993English319 Add to Cart 3 days [Need to translate] Isolate and synthetic aroma chemicals. Method for determination of distillation range Obsolete GB/T 14457.2-1993

PDF similar to GB/T 14457.2-2013


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Basic data

Standard ID GB/T 14457.2-2013 (GB/T14457.2-2013)
Description (Translated English) Fragrance/Flavor substances -- Method for determination of distillation range
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y41
Classification of International Standard 71.100.60
Word Count Estimation 12,166
Older Standard (superseded by this standard) GB/T 14457.2-1993
Regulation (derived from) National Standards Bulletin 2013 No. 17
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies: Determination of boiling liquid fragrance by distillation methods. This standard applies to: boiling point in the range of 30��C ~ 300��C, and distillation process chemical stability boiling liquid fragrance determination.

GB/T 14457.2-2013: Fragrance/Flavor substances -- Method for determination of distillation range

---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.
Fragrance/Flavor substances. Method for determination of distillation range ICS 71.100.60 Y41 National Standards of People's Republic of China Replacing GB/T 14457.2-1993 Determination of boiling range of spices Issued on. 2013-09-06 2014-02-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 14457 is divided into two parts. --- GB/T 14457.2 Determination of boiling range of spices; --- GB/T 14457.3 spices melting point assay. This section GB/T Part of 214,457. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 14457.2-1993 "Isolate and synthetic fragrances Boiling Range assay." And GB/T 14457.2-1993 phase Ratio, the main changes are as follows. --- Standard name from "Isolate and synthetic fragrances Boiling Range Determination" to "spice boiling range determination"; --- By the standard pressure units "hPa" read "kPa" (see 21, 1993 edition Chapter 2; see 5.2.1 and Table 1, Table 2, 1993 Version 5.2.1 and Table 1, Table 2; see Appendix A, 1993 edition Appendix A); --- Increasing the content of the test report (see Chapter 6). This part is proposed by the China National Light Industry Council. This part of the National Fragrance Flavor and Cosmetic Standardization Technical Committee (SAC/TC257) centralized. This section is drafted. Shanghai Spice Institute, Tianjin Product Quality Supervision and Testing Technology Research Institute. The main drafters of this section. Cao Yi, Wang Ping, Xu Yi, Zhao Fusheng. This section was first released in June 1993, this is the first revision. Determination of boiling range of spices

1 Scope

GB/T 14457 in this section specifies the method for the determination of boiling range liquid perfumes by distillation. This section applies to a boiling point in the range of 30 ℃ ~ 300 ℃, and the distillation process chemically stable liquid fragrance boiling range Determination.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Boiling range distilationrange In the standard state (101.325kPa, 0 ℃), product standards within the specified temperature range of distillate volume. Principle 3 Measured by the known method of distillation temperature in the range of the measured volume of a distillate.

4 Instrument

4.1 bulb distillation flask. using borosilicate glass, the effective volume of 100mL, shown in Figure 1. Millimeters Figure a pipe retort 4.2 Measurement Thermometer. internal standard single bulb, there are sub-scale 0.1 ℃ or 0.2 ℃, the range is adapted to the measured sample temperature range. 4.3 Auxiliary thermometer. There are sub-scale 1 ℃, the thermometer attached to the measurement to measurement thermometer mercury ball in the exposed portion of the Great Wall of mercury

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