GB 1886.228-2016 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 1886.228-2016 | English | 225 |
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National food safety standard - Food additives - Liquid carbon dioxide
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GB 1886.228-2016: National food safety standard - Food additives - Liquid carbon dioxide---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB1886.228-2016
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
National Food Safety Standard – Food Additives –
Carbon Dioxide
Issued on. AUGUST 31, 2016
Implemented on. JANUARY 01, 2017
Issued by. National Health and Family Planning Commission of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Molecular Formula and Relative Molecular Mass... 4
3 Technical Requirements... 4
Appendix A Test Method... 7
Appendix B Relative Retention Values of Corresponding Components in
Carbon Dioxide on Different Chromatographic Columns... 23
Foreword
This Standard replaced GB 10621-2006 Food Additive – Liquid Carbon Dioxide.
Compared with GB 10621-2006, the major changes of this Standard are as follows.
--- Change the name of the standard into "National Food Safety Standard - Food
Additives - Carbon Dioxide";
--- Increase the indicator requirements for solid carbon dioxide and gaseous carbon
dioxide;
--- Delete the indicator requirements for acidity, ethanol, other oxygen-containing
organic matter, and phosphine;
--- Increase the indicator requirements of ethylene oxide;
--- Modify the item name of hydrocarbons into total volatile hydrocarbons;
--- Modify the inspection methods for sulfur dioxide, total sulfur, benzene, methanol,
acetaldehyde, vinyl chloride, grease, and evaporation residue;
--- Add the capacitance method test method for moisture.
National Food Safety Standard – Food Additives –
Carbon Dioxide
1 Scope
This Standard is applicable to the food additive of carbon dioxide that takes the carbon
dioxide gas as the raw material produced by produced alcohol fermentation, carbonate
calcination, synthetic ammonia, ethylene catalytic oxidation and coal gasification
processes, and then produced through the processes of extraction, purification, drying,
cooling, pressurization, etc.
2 Molecular Formula and Relative Molecular Mass
2.1 Molecular formula
CO2
2.2 Relative molecular mass
3 Technical Requirements
3.1 Sensory requirements
Sensory requirements shall comply with the provisions of Table 1.
Appendix A
Test Method
A.1 Warning
Some reagents used in the test methods of this standard are toxic or corrosive, and
appropriate safety and protective measures should be taken during operation.
A.2 General provisions
The reagents and water used in this standard refer to analytical reagents and the
Class-III water specified in GB/T 6682 when other requirements are not specified. The
used solution refers to an aqueous solution when it is not specified which solvent is
used for preparation.
A.3 Identification test
A.4 Determination of carbon dioxide (CO2) content
A.5 Determination of moisture
A.5.1 Method-I - Capacitance Method
A.5.1.2 Apparatus
Moisture analyser. Humidity sensitive capacitance sensor with acid resistance, gas
circuit, data conversion and display system, the detection limit shall be no greater than
2μL/L.
A.5.1.3 Analysis procedures
A.5.2 Method-II - dew point method
The calibration of the instrument and the correction of the readings are the same as
those in A.5.1, and determined according to the test method given in GB/T 5832.2.
A.6 Determination of oxygen (O2)
Use an acid fuel cell or an applicable oxygen sensor to determine in accordance with
the method specified in GB/T 6285.Liquid carbon dioxide shall be sampled and
determined after gasification.
A.7 Determination of carbon monoxide (CO)
Determine according to the method specified in GB/T 8984; and the liquid carbon
dioxide shall be sampled and determined after gasification.
A.8 Determination of grease
A.8.1 Summary of method
Use glacial acetic acid to dissolve the remaining grease after the carbon dioxide is
evaporated. After adding water, the acetic acid solution becomes turbid; and the
turbidity is analysed and quantified with the standard turbidity stage tube.
A.8.2 Reagents and materials
A.8.3 Apparatus
A.8.4 Analysis procedures
Appendix B
Relative Retention Values of Corresponding Components in
Carbon Dioxide on Different Chromatographic Columns
B.1 Relative retention value of corresponding components in carbon dioxide on
chromatographic column 1
B.2 Relative retention value of corresponding components in carbon dioxide on
chromatographic column 2
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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