GB/T 15664-2009 English PDF

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GB/T 15664-2009: Fruit and vegetable products -- Determination of formic acid content -- Gravimetric method
Status: Obsolete

GB/T 15664: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15664-2009	319	Add to Cart	3 days	Fruit and vegetable products -- Determination of formic acid content -- Gravimetric method	Obsolete
GB/T 15664-1995	239	Add to Cart	2 days	Fruit, vegetable and their products--Determination of formic acid content--Gravimetric method	Obsolete

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Basic data

Standard ID: GB/T 15664-2009 (GB/T15664-2009)
Description (Translated English): Fruit and vegetable products -- Determination of formic acid content -- Gravimetric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.080.01
Word Count Estimation: 8,831
Date of Issue: 2009-05-19
Date of Implementation: 2009-10-01
Older Standard (superseded by this standard): GB/T 15664-1995
Adopted Standard: ISO 6638-1-1985, IDT
Regulation (derived from): National Standard Approval Announcement 2009 No.6 (Total No.146)
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 fruit Gravimetric method, vegetables and their products in the formic acid content approach. This standard applies to fruit, determination of vegetables and their products in the formic acid content.

GB/T 15664-2009: Fruit and vegetable products -- Determination of formic acid content -- Gravimetric 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.
Fruit and vegetable products. Determination of formic acid content. Gravimetric method ICS 67.080.01 X04 National Standards of People's Republic of China GB/T 15664-2009/ISO 6638-1. 1985 Replacing GB/T 15664-1995 Fruits, vegetables and formic acid content Gravimetric (ISO 6638-1. 1985, Fruitandvegetableproducts- Determinationofformicacidcontent-Part 1. Gravimetricmethod, IDT) Posted 2009-05-19 2009-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is equivalent to international standards ISO 6638-1. 1985 "Determination of formic acid content of fruit and vegetable products - Part 1. Weight Law "(in English). For ease of use, this standard made the following editorial changes. --- Use the decimal symbol instead of decimal symbol ",". ","; --- Use the "standard" instead of "this International Standard"; --- Delete foreword international standards; Order --- Chapter 3 reagent prepared according to the standard preparation of specifications; --- Chapter 4 in the distillation unit of the components indicated in distillation apparatus under FIG. This standard replaces GB/T 15664-1995 "Fruits, vegetables and products of formic acid content - Gravimetric method." This standard and GB/T 15664-1995 No technical modifications compared to only write the rules in accordance with GB/T 20001.4-2001 "Standard Part 4. Chemical analysis methods, "the original standard was editorial changes. This standard by the National Standardization Technical Committee of Food Industry and focal points. This standard by the Ministry of Agriculture, Food Quality Supervision and Testing Center (Wuhan) responsible for drafting. The main drafters of this standard. Xia Hong, Yang Hu deposit, Li Shuqian, Pengmao Min, Zhou Youxiang. This standard replaces the standards previously issued as follows. --- GB/T 15664-1995. GB/T 15664-2009/ISO 6638-1. 1985 Fruits, vegetables and formic acid content Gravimetric

1 Scope

This standard specifies a method for determining the weight of law in fruits, vegetables and their products in formic acid content. This standard applies to fruits, vegetables and their products measured in formic acid content. Principle 2 Formic acid in the sample is distilled absorbing barium carbonate (or calcium carbonate), formic acid barium (or calcium formate). Barium formate (or calcium formate) Quantitatively reduced to mercury chloride mercury chloride, and then calculate the acid content based on the quality of calomel.

3 Reagents

Unless otherwise indicated in the analysis using only analytical reagent, the water is distilled water or equivalent purity. 3.1 barium carbonate (BaCO3) or calcium carbonate (CaCO3). 3.2 tartaric acid (C4H6O6). 3.3 Ethanol (CH3CH2OH). 3.4 ether (CH3OCH3). 3.5 mercuric chloride - NaCl mixture. Weigh 100g of mercuric chloride and 30g of sodium chloride dissolved in water and diluted to 1L. 3.6 500g/L sodium acetate solution. 3.7 10% hydrochloric acid solution.

4 Instrument

4.1 Analytical balance, a sense of the amount of 0.0002g. 4.2 distillation apparatus (see Figure 1). 4.3 Crucible filter, G4. 4.4 dryer. 4.5 oven, 100 ℃ ± 2 ℃. 4.6 stirrer. 4.7 Erlenmeyer flasks, volume 500mL. 4.8 rapid quantitative filter paper, 15cm. 4.9 furnace. 4.10 evaporating dish, at least the volume of 300mL. 4.11 reflux condenser. 4.12 water bath. GB/T 15664-2009/ISO 6638-1. 1985 ......

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