GB/T 23382-2009 English PDF

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GB/T 23382-2009: Determination of sodium propionate and calcium propionate in foods -- High performance liquid chromatography method
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23382-2009	239	Add to Cart	3 days	Determination of sodium propionate and calcium propionate in foods -- High performance liquid chromatography method	Obsolete

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Basic data

Standard ID: GB/T 23382-2009 (GB/T23382-2009)
Description (Translated English): Determination of sodium propionate and calcium propionate in foods -- High performance liquid chromatography method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C53
Classification of International Standard: 67.050
Word Count Estimation: 6,620
Date of Issue: 2009-04-08
Date of Implementation: 2009-05-01
Quoted Standard: GB/T 6682-2008
Regulation (derived from): National Standard Approval Announcement 2009 No.3 (Total No.143)
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 the propionate foods, determination of calcium propionate HPLC. This standard applies to soy products, determination of the content of calcium propionate, sodium propionate in foods such as soy sauce, bread, , pastry, vinegar raw wet noodle products. This standard method detection limit: 0. 03g/kg, quantitative limits: 0. 10g/kg.

GB/T 23382-2009: Determination of sodium propionate and calcium propionate in foods -- High performance liquid chromatography method

---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.
Determination of sodium propionate and calcium propionate in foods. High performance liquid chromatography method ICS 67.050 C53 National Standards of People's Republic of China Determination of sodium propionate, calcium propionate High Performance Liquid Chromatography Posted 2009-04-08 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is an informative annex. This standard is proposed and managed by China National Institute of Standardization. This standard by the national agricultural and sideline products processing and Liquor Quality Supervision and Inspection Center (Shanxi Province, Food Quality Supervision and Inspection Center) is responsible for drafting. The main drafters of this standard. Liangbaosi love, Liu Jun, Zhang Sujuan, Ping Xiaobin, Wu Xiangyong, Zhaoya Hong, Sun Liping, Hu Xiaojiang, Liu Xianping. Determination of sodium propionate, calcium propionate High Performance Liquid Chromatography

1 Scope

This standard specifies the determination in food sodium propionate, calcium propionate HPLC. This standard applies to soy products, determination of raw wet noodle products, breads, pastries, vinegar, soy sauce and other foods, sodium propionate, calcium propionate. The standard method detection limit. 0.03g/kg, the limit of quantification method. 0.10g/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 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD) Principle 3 After the sample sodium propionate (calcium) and acidified into propionic acid, ultrasonic water extraction or steam distillation, collected after adjusting the pH value, the efficient Liquid chromatography, external standard.

4 Reagents and materials

Unless otherwise specified, reagents were of analytical grade. 4.1 Chromatography water should comply with GB/T 6682-2008 predetermined level of water, other water line with GB/T 6682-2008 specified three Grade water. 4.2 phosphoric acid. 4.3 diammonium phosphate. 4.4 silicone oil. 4.5 phosphoric acid solution (1mol/L). After adding 53.5mL phosphoric acid in 50mL, mixing, add water to 1000mL. 4.6 diammonium phosphate solution (1.5g/L). Weigh diammonium phosphate 1.5g, dissolved in water and dilute to 1000mL. 4.7 sodium propionate (calcium) or propionic acid standard. Purity ≥99%. 4.8 stock standard solution (10mg/mL). Weigh accurately 1.30g sodium propionate or calcium propionate 1.26g or propionic acid 1g (accurate to 0.0001g) Water volume to 100mL, formulated as standard stock solution propionic acid content of 10mg/mL in. In the refrigerator at 4 ℃ storage period of three months. 4.9 microporous membrane. 0.45μm, the water phase. 4.10 pH test paper. 5. Apparatus 5.1 High Performance Liquid Chromatography (HPLC) instrument. with a UV detector or diode array detector. 5.2 Balance. a sense of volume and 0.0001g 0.01g. 5.3 ultrasonic bath. 5.4 centrifuge. speed of not less than 4000r/min. 5.5 Organization mashed machines. ......

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