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Determination of glycerol in honey. GC-MS method
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Basic data
| Standard ID | GH/T 1106-2015 (GH/T1106-2015) |
| Description (Translated English) | Determination of glycerol in honey. GC-MS method |
| Sector / Industry | Supply and Marketing Cooperatives Industry Standard (Recommended) |
| Classification of Chinese Standard | X31 |
| Classification of International Standard | 67.180.10 |
| Word Count Estimation | 9,941 |
| Date of Issue | 2015-03-27 |
| Date of Implementation | 2015-06-01 |
| Quoted Standard | GB/T 6682 |
| Regulation (derived from) | Industry standard filing Announcement 2015 No.5 (Total No.185) |
| Issuing agency(ies) | All-China Federation of Supply and Marketing Cooperatives |
| Summary | This Standard specifies the glycerol content in honey by gas chromatography - mass spectrometry. This Standard applies to the determination of glycerol content in honey. This Standard quantitative limit of 20.0 mg/kg. |
GHT1106-2015: Determination of glycerol in honey. GC-MS method
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Determination of glycerol in honey.GC-MS method
ICS 67.180.10
X31
Record number. 49396-2015
People's Republic of China supply and marketing cooperation industry standards
Determination of glycerol content in honey
Gas chromatography-mass spectrometry
GC-MSmethod
Released on.2015-03-27
2015-06-01 implementation
China National Supply and Marketing Cooperation Headquarters released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009 and GB/T.20001.4-2001.
This standard was proposed by the National Bee Product Standardization Working Group.
This standard is under the jurisdiction of the All-China Federation of Supply and Marketing Cooperatives.
This standard was drafted. Jiangsu Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China.
The main drafters of this standard. Liu Wei, Zhao Zengyun, Chen Lei, Qi Jun, Xu Wei, Shen Chongzhen, Wu Bin, Zhang Rui, Chen Lei, Gong Yuxia, Yu Kezhen.
Determination of glycerol content in honey
Gas chromatography-mass spectrometry
1 Scope
This standard specifies the method for the determination of glycerol in honey by gas chromatography-mass spectrometry.
This standard applies to the determination of glycerol content in honey.
The limit of quantification of this standard is 20.0mg/kg.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6682 Analytical laboratory water specifications and test methods
3 Principle
The sample is dissolved in N,N-dimethylformamide (DMF), derivatized with a silylation reagent, and then extracted with n-hexane to obtain a gas chromatograph.
Spectral determination, internal standard method for quantification.
4 reagents and materials
The experimental water should meet the requirements of the first-grade water in GB/T 6682.
4.1 Anhydrous magnesium sulfate. analytically pure.
4.2 N,N-Dimethylformamide (DMF). About 1 g of anhydrous magnesium sulfate (4.1) was added per 100 mL for dehydration treatment.
4.3 N,O-bis(trimethylsilyl)trifluoroacetamide (BSTFA).
4.4 Hexane. Chromatographically pure.
4.5 Glycerol standard substance, CAS. 56-81-5, purity ≥ 98%.
4.6 Internal standard 1,2,4-butanetriol standard substance, purity ≥98%.
4.7 Glycerol standard stock solution (10.0g/L). Accurately weigh 250mg (accurate to 1mg) of glycerol standard in 25mL capacity
In the bottle, dissolve with DMF (4.2) and dilute to the mark, store in a brown standard liquid storage bottle, store at 0 °C ~ 4 °C, valid for 1 year.
4.8 Internal standard 1,2,4-butanetriol stock solution (10.0g/L). Accurately weigh 250mg (accurate to 1mg) 1,2,4-butaneol standard
Dissolve in DMF with 25 ml volumetric flask and dilute to volume. Store in brown standard stock bottle, store at 0 °C~4 °C, valid period
1 year.
4.9 Glycerol standard intermediate solution. accurately transfer standard stock solution (4.7), dilute standard stock solution (4.7) to concentration with DMF
100mg/L and 10mg/L standard intermediate solution, stored in brown standard liquid storage bottle, stored at 0 °C ~ 4 °C, valid for 6 months.
4.10 Internal standard 1,2,4-butanetriol intermediate solution. accurately transfer the internal standard stock solution (4.8), and dilute the internal standard stock solution (4.8) to rich with DMF.
The internal standard solution with a degree of 1g/L is stored in a brown standard liquid storage bottle and stored at 0 °C ~ 4 °C, valid for 6 months.
4.11 Mixing standard working solution of glycerol and internal standard 1,2,4-butanetriol. accurately transfer appropriate amount of standard intermediate solution (4.9) and internal standard
Solution (4.10), diluted with DMF to a concentration of glycerol containing 0.8 mg/L, 2.0 mg/L, 4.0 mg/L, 10.0 mg/L, 20.0 mg/L,
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