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GB/T 12729.9-2008: Spices and condiments -- Determination of acid-insoluble ash
Status: Obsolete GB/T 12729.9: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 12729.9-2008 | English | 199 |
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Spices and condiments -- Determination of acid-insoluble ash
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GB/T 12729.9-2008
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| GB/T 12729.9-1991 | English | 199 |
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Spices and condiments--Determination of acid-Insoluble ash
| Obsolete |
GB/T 12729.9-1991
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PDF similar to GB/T 12729.9-2008
Basic data | Standard ID | GB/T 12729.9-2008 (GB/T12729.9-2008) | | Description (Translated English) | Spices and condiments -- Determination of acid-insoluble ash | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B36 | | Classification of International Standard | 67.220.10 | | Word Count Estimation | 5,575 | | Date of Issue | 2008-07-16 | | Date of Implementation | 2008-11-01 | | Older Standard (superseded by this standard) | GB/T 12729.9-1991 | | Quoted Standard | GB/T 12729.7 | | Adopted Standard | ISO 930-1997, MOD | | Regulation (derived from) | National Standard Approval Announcement 2008 No.12 (Total No.125) | | 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 determination of insoluble ash spices and condiments acid. This section applies to the determination of spices and condiments acid insoluble ash. | GB/T 12729.9-2008: Spices and condiments -- Determination of acid-insoluble ash---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.
Spices and condiments.Determination of acid-insoluble ash
ICS 67.220.10
B36
National Standards of People's Republic of China
Replacing GB/T 12729.9-1991
Spices and condiments
Determination of acid insoluble ash
(ISO 930.1997, MOD)
Posted 2008-07-16
2008-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 12729 "Spices and condiments" consists of the following components.
--- GB/T 12729.1 Spices and condiments name
--- GB/T 12729.2 Spices and condiments - Sampling Methods
Preparation --- GB/T 12729.3 Spices and seasoning powder sample analysis
--- GB/T 12729.4 Spices and condiments - Determination of fineness of grinding (hand sieving method)
Determination --- GB/T 12729.5 spices and condiments extraneous matter content
--- GB/T 12729.6 Spices and condiments - Determination of moisture content (distillation)
--- GB/T 12729.7 Spices and condiments - Determination of total ash
--- GB/T 12729.8 Spices and condiments - Determination of water-insoluble ash
Determination --- GB/T 12729.9 Spices and condiments acid insoluble ash
--- Determination of GB/T 12729.10 Spices and condiments alcohol extract
--- GB/T 12729.11 Spices and condiments - Determination of cold water-soluble material extraction
Determination --- GB/T 12729.12 Spices and condiments non-volatile ether extract
Determination --- GB/T 12729.13 Spices and condiments dirt
This is Part 9 GB/T 12729 of.
The partial modification of the use of ISO 930.1997 "Spices and condiments - Determination of acid insoluble ash" (in English), the main differences are.
--- This section makes provision for the detection accuracy, an increase of "8.2 repeatability";
--- This part of the test report is not specified;
--- Remove the ISO 930.1997 Appendix A.
This part is GB/T 12729.9-1991 "Spices and condiments - Determination of acid insoluble ash," the amendment. versus
GB/T 12729.9-1991 compared to the main differences are as follows.
--- According to ISO 930.1997 regulations, instead of "water-insoluble ash" to determine the acid-insoluble ash, Part 2, "Normative
Cited documents "in the deletion of GB/T 12729.8" Spices and condiments - Determination of water-insoluble ash, "Chapter 3," and the term
Definition "and Chapter 4," principle "also deleted and" water-insoluble ash "relevant content;
--- This section is divided into 8.1, 8.2, Chapter 8, Chapter 9, will "allow poor" content to the new "8.2 repeatability" in.
This Part replaces GB/T 12729.9-1991.
This part by the China Federation of Supply and Marketing Cooperatives and focal points.
This section was drafted by. China Federation of Supply and Marketing Cooperatives Nanjing Institute of comprehensive utilization of wild plants.
The main drafters of this section. Chen Shirong, Zhang Weiming.
This part of the standard replaces the previous editions are.
--- GB/T 12729.9-1991.
Spices and condiments
Determination of acid insoluble ash
1 Scope
This section GB/T 12729 specifies the method for determination of Spices and condiments acid insoluble ash.
This section applies to the determination of spices and condiments acid insoluble ash.
2 Normative references
The following documents contain provisions which, through reference GB/T 12729 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 12729.7 Spices and condiments - Determination of total ash (GB/T 12729.7-2008, ISO 928.1997, NEQ)
3 Terms and Definitions
The following terms and definitions apply to this part of the GB/T 12729 of.
3.1
Under the conditions specified in this section, total ash residue with hydrochloric acid treated.
Principle 4
Total ash was treated with hydrochloric acid, filtered, ashing, weighing the residue after ashing.
5 Reagents
5.1 hydrochloric acid solution (1 + 9).
5.2 silver nitrate solution [Ba (AgNO3) = 0.59mol/L].
6 main instruments
6.1 Furnace temperature. 550 ℃ ± 25 ℃.
6.2 water bath.
6.3 Quantitative filter paper.
6.4 dryer.
6.5 Analytical balance.
7 Procedure
7.1 Sample
Execution according to the provisions GB/T 12729.7 of.
7.2 Determination
In total ash containing crucible, hydrochloric acid solution was added 15mL ~ 25mL, cover the surface of the dish, boil 10min. After cooling, filtration,
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