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GB/T 14458-2013: Method for inspection of flower concrete
Status: Valid GB/T 14458: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 14458-2013 | English | 189 |
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3 days [Need to translate]
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Method for inspection of flower concrete
| Valid |
GB/T 14458-2013
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| GB/T 14458-1993 | English | 199 |
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2 days [Need to translate]
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Method for inspection of flower concrete
| Obsolete |
GB/T 14458-1993
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PDF similar to GB/T 14458-2013
Basic data | Standard ID | GB/T 14458-2013 (GB/T14458-2013) | | Description (Translated English) | Method for inspection of flower concrete | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y41 | | Classification of International Standard | 71.100.60 | | Word Count Estimation | 8,840 | | Older Standard (superseded by this standard) | GB/T 14458-1993 | | Quoted Standard | GB/T 14454.2; GB/T 14454.14 | | Regulation (derived from) | National Standards Bulletin 2013 No. 17 |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: Inspection fragrant extract color, aroma, melting point, acid, cool Absolute value and content methods. This standard applies to: Specification with flowers made ??from petroleum ether extract extract Analysis. | GB/T 14458-2013: Method for inspection of flower concrete---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.
Method for inspection of flower concrete
ICS 71.100.60
Y41
National Standards of People's Republic of China
Replacing GB/T 14458-1993
Fragrant flower extract test methods
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
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 14458-1993 "fragrant flower extract test methods." Compared with GB/T 14458-1993, the main changes
as follows.
--- Increasing the "GB/T 14454.14 spices standard solution, test solution preparation and indicator solution," the reference (see Chapter 2, 6.1,7.1);
--- Increasing the content of the test report (see Chapter 9).
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee of Fragrance Flavor and Cosmetic (SAC/TC257) centralized.
This standard was drafted. Shanghai Spice Institute of Product Quality Supervision and Inspection Institute of Guangxi, Tianjin Product Quality Supervision and Testing Technology
Institute.
Drafters of this standard. Xu Yi, Liu Peijie, Wang Ping, Cao Yi, Mo Jialin, Zhao Fusheng.
This standard was first released in June 1993, this is the first revision.
Fragrant flower extract test methods
1 Scope
This standard specifies the test fragrant flower extract color, aroma, melting point, acid value, ester value and absolutes content approach.
This standard applies to leaching analysis extract of flowers made of flowers with the specifications of petroleum ether.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 14454.2 spice aroma evaluation method
Preparation of GB/T 14454.14 spices standard solution, the test solution and the indicator solution
3 color test
With a diameter of about 4mm, length 60mm glass tube inserted into the vial of colorless extract is taken approximately 30mm high, observed on white background
Its color.
Evaluation 4 aroma
According to the provisions of GB/T 14454.2 of.
5 Determination of melting point
5.1 Instrument
5.1.1 beaker. 250mL.
5.1.2 Thermometer. 30 ℃ ~ 80 ℃. Corrected and has 0.1 ℃ or 0.2 ℃ sub-scale.
5.1.3 Capillary. about 100mm, an inner diameter of 0.9mm ~ 1.1mm, wall thickness of 0.10mm ~ 0.15mm neutral hard glass
Tube, open at both ends.
5.1.4 Stirrer. glass rod or stainless steel wire, one end bent into a ring, a diameter of about 40mm. Or with a magnetic stirrer.
5.2 Procedure
At the lowest possible temperature (60 ℃ or less), after the sample is melted, stir across the capillary suction opening (5.1.3) in the sample
In the tube height of 10mm. Below 10 ℃ or 10 ℃ placed 24h, if necessary, can be placed in an ice bath to cool more than 2h. Until completely condensate
After solid, tightly tied capillary thermometer (5.1.2), the lower end portion of the capillary-like deposit mercury thermometer should be located in the middle of the ball.
Thermometer and capillary immersed in a beaker filled with transmission fluid temperature of (5.1.1), the bottom of the tube from the bottom of the cup from about 20mm ~ 30mm, the tube-like portion of deposit
Points at the upper level 10mm. Into the blender (5.1.4), the transmission fluid temperature continue heating and stirring, the uniform temperature rise, reaching pre
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