GB/T 23296.26-2009Food contact materials - Polymer - Determination of formaldehyde and hexamethylenetetramine in food simulants - Spectrophotometry (English PDF)
食品接触材料 高分子材料 食品模拟物中甲醛和六亚甲基四胺的测定 分光光度法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 31, 2009
Implementation date
September 1, 2009
Scope
GB/T 23296.26-2009 is the English-translated version of 食品接触材料 高分子材料 食品模拟物中甲醛和六亚甲基四胺的测定 分光光度法.
GB/T 23296.26-2009 is the Chinese standard "Food contact materials - Polymer - Determination of formaldehyde and hexamethylenetetramine in food simulants - Spectrophotometry".
Its scope clause reads: This standard specifies the food simulants formaldehyde and hexamethylene tetramine (formaldehyde meter) measurement method.
This standard applies to water, 3% (mass concentration) solution of acetic acid, 10% (volume fraction) ethanol solution and olive oil Four Food simulants Formaldehyde and hexamethylene tetramine (formaldehyde meter) measurement. Its clauses include terms and definitions; method summary.
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Document preview — GB/T 23296.26-2009
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
- 3 Terms and Definitions
- 4 Method summary
1 Scope
This standard specifies the food simulants formaldehyde and hexamethylene tetramine (formaldehyde meter) measurement method.
This standard applies to water, 3% (mass concentration) solution of acetic acid, 10% (volume fraction) ethanol solution and olive oil Four Food simulants
Formaldehyde and hexamethylene tetramine (formaldehyde meter) measurement.
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.
Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents (Trueness and precision) - Part 2 Accuracy GB/T 6379.2-2004 measurement methods and results. the standard measurement to determine the party
Method repeatability and reproducibility of the basic method (ISO 5725-2.1994, IDT)
GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
GB/T 9721 Chemicals General molecular absorption spectrophotometry (UV and visible part)
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
3 Terms and Definitions
GB/T 23296.1-2009 and established the following terms and definitions apply to this standard.
3.1
The amount of formaldehyde in the sample residual formaldehyde monomer to food simulants migration.
3.2
Migration sample residual hexamethylene tetramine and monomeric formaldehyde in food simulants, As formaldehyde.
3.3
Migration test methods and conditions according to GB/T 23296.1-2009 provisions of a certain method for the determination of the sample to be calculated
Contact with food intended amount of formaldehyde migration.
Note. Under certain conditions, the specific migration of formaldehyde formaldehyde migration may be calculated, but also by the total migration of formaldehyde calculated.
A method of acetylacetone colorimetry
4 Method summary
After food simulant contact with the sample, the sample residual formaldehyde and hexamethylene tetramine (HMTA) migrate to simulants.
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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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