GB/T 23296.23-2009Food contact materials - Polymer - Determination of 1,1,1-trimethylolpropane in food simulants - Gas chromatography (English PDF)
食品接触材料 高分子材料 食品模拟物中1,1,1-三甲醇丙烷的测定 气相色谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 27, 2009
Implementation date
September 1, 2009
Scope
GB/T 23296.23-2009 is the English-translated version of 食品接触材料 高分子材料 食品模拟物中1,1,1-三甲醇丙烷的测定 气相色谱法.
GB/T 23296.23-2009 is the Chinese standard "Food contact materials - Polymer - Determination of 1,1,1-trimethylolpropane in food simulants - Gas chromatography".
Its scope clause reads: This standard specifies the method for determination of food simulants 1,1,1-trimethylolpropane. This standard applies to the four food simulants water, 3% (mass concentration) solution of acetic acid, 10% (volume fraction) ethanol solution and olive oil Determination of the content of 1,1,1-tris propane.
Three of the standard water-based food simulants water, 3% (mass concentration) of acetic acid and 10% (volume fraction) ethanol methanol propionate 1,1,1-tris The lower limit of detection of alkyl 0.60mg/L, olive oil mimetic 1,1,1-trimethylolpropane lower limit of detection was 0.60mg/kg. Its clauses include reagents and materials.
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Document preview — GB/T 23296.23-2009
National Standard of the People's Republic of China
- ICS
- 67.250
- Classification
- C 53
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 4 Reagents and materials
- 4.5 trimethylsilyl imidazole
- 4.8 cation exchange resins
- 4.11 Sodium hydroxide (1mol/L)
- 4.13 to 10% (by volume) ethanol
1 Scope
This standard specifies the method for determination of food simulants 1,1,1-trimethylolpropane.
This standard applies to the four food simulants water, 3% (mass concentration) solution of acetic acid, 10% (volume fraction) ethanol solution and olive oil
Determination of the content of 1,1,1-tris propane.
Three of the standard water-based food simulants water, 3% (mass concentration) of acetic acid and 10% (volume fraction) ethanol methanol propionate 1,1,1-tris
The lower limit of detection of alkyl 0.60mg/L, olive oil mimetic 1,1,1-trimethylolpropane lower limit of detection was 0.60mg/kg.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
GB/T 23296.1-2009 plastic food contact materials restricted substances in food and food simulants to specific substances in plastics
Migration testing and determination of methods and conditions of exposure to food simulants Guide selection
Principle 3
Food simulants 1,1,1-trimethylolpropane separated by gas chromatography using a flame ionization detector for detection. water
Based food simulants by saturated potassium carbonate, ethanol/ethyl acetate, the organic extracts evaporated to dryness and dehydration TMSI solution pyrimidine derivative backward like,
Olive oil simulant was extracted with water, according to water-based food simulants treatment operations backward like. Using internal standard.
4 Reagents and materials
Unless otherwise specified, water GB/T 6682 provided a water, reagents were of analytical grade.
4.1
glacial acetic acid.
4.2
ethanol.
4.3
n-pentane.
4.4
ethyl acetate.
4.5 trimethylsilyl imidazole
TMSI dehydration solution pyrimidine derivative reagents.
4.6
potassium carbonate.
4.7
sodium hydroxide.
4.8 cation exchange resins
strong acid, sulfonated polystyrene type spherical resin, 50 mesh to 100 mesh.
4.11 Sodium hydroxide (1mol/L)
Weigh 40g sodium hydroxide (4.7) dissolved in 1000mL of water.
4.13 to 10% (by volume) ethanol
100.0mL amount of ethanol (4.2) in 1000mL volumetric flask, water volume to […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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