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GB/T 10470-2008: Quick frozen fruits and vegetables -- Determination of mineral impurities content
Status: Obsolete GB/T 10470: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 10470-2008 | English | 279 |
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Quick frozen fruits and vegetables -- Determination of mineral impurities content
| Obsolete |
GB/T 10470-2008
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| GB/T 10470-1989 | English | 199 |
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Determination of mineral impurities in quick frozen fruits and vegetables
| Obsolete |
GB/T 10470-1989
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PDF similar to GB/T 10470-2008
Basic data | Standard ID | GB/T 10470-2008 (GB/T10470-2008) | | Description (Translated English) | Quick frozen fruits and vegetables -- Determination of mineral impurities content | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B30 | | Classification of International Standard | 67.080.01 | | Word Count Estimation | 7,782 | | Date of Issue | 2008-06-17 | | Date of Implementation | 2008-10-01 | | Older Standard (superseded by this standard) | GB/T 10470-1989 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.10 (Total No.123) | | Issuing agency(ies) |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 frozen fruits and vegetables, mineral impurities. This standard applies to the determination of frozen fruits and vegetables, mineral impurities content. | GB/T 10470-2008: Quick frozen fruits and vegetables -- Determination of mineral impurities content
---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.
Quick frozen fruits and vegetables.Determination of mineral impurities content
ICS 67.080.01
B30
National Standards of People's Republic of China
Replacing GB/T 10470-1989
Frozen fruits and vegetables
Determination of mineral impurities
Posted 2008-06-17
2008-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
Principle 2 1
3 Reagent 1
4 1 instrument
5 Operation 1
2 6 calculated results
Reference 3
Foreword
This standard replaces GB/T 10470-1989 "quick-frozen fruits and vegetables Determination of mineral impurities."
This standard compared with GB/T 10470-1989 The main changes are as follows.
--- According to GB/T 1.1 "Standardization Guide Part 1. Standard structure and writing rules" and GB/T 20001.4 "standard
Section 4 Associate writing rules. chemical analysis method "of GB/T 10470-1989 has been restructured and editorial changes;
--- With "frozen fruits and vegetables Determination of mineral impurities" instead of the original standard name "quick frozen fruits and vegetables Determination of mineral impurities
method".
This standard is proposed and managed by the People's Republic of China Ministry of Commerce.
This standard was drafted. Beijing Glorious Land Agricultural Co., Ltd. (testing center).
The main drafters of this standard. Zhao Hong, Yao Li, Jin Xiaojing, Guo, Li Yanbin, Zhaomeng Bin.
This standard was first published in 1989, this is the first revision.
This standard replaces the standards previously issued as follows.
--- GB/T 10470-1989.
Frozen of fruits and vegetables
Determination of mineral impurities
1 Scope
This standard specifies the method for determination of frozen fruits and vegetables mineral impurities.
This standard applies to the determination of frozen fruits and vegetables mineral impurities.
Principle 2
The organic material was separated and isolated heavy floating method by deposition of impurities, burning deposits 525 ℃ high-temperature furnace, and the resulting residue
Weighing.
3 Reagents
3.1 reagents were analytical grade used, the water is distilled water or water of equivalent purity.
3.2 sodium chloride solution (200g/L).
3.3 silver nitrate solution (17g/L).
4 Instrument
4.1 compactor.
4.2 Beaker. volume of 2000mL.
4.3 Quantitative filter paper.
4.4 Crucible. porcelain, capacity 30mL.
4.5 muffle furnace. 525 ℃ ± 25 ℃.
4.6 dryer. with active desiccant.
4.7 Analytical balance. minimum scale of 0.0001g.
4.8 Electronic balance. minimum scale of 0.1g.
4.9 or electric heaters, heating with gas or electricity.
4.10 funnel.
4.11 stir bar.
5 Operation
5.1 Preparation of the sample
Samples packaged in 500g or less, taking the whole package. Samples greater than 500g packaging before defrosting to take a representative sample 500g.
The thawed samples were placed in sealed containers, transfer quantitatively to a beaker (4.2), the sample can be broken if necessary.
Prepare 5.2 crucible
After Wash crucible shift muffle furnace (4.5) in the burning 1h, cooled to below 200 ℃ removed and transferred to the dryer to cool to room temperature, the quasi
Indeed weighed. Repeat twice before and after burning to weigh no more than 0.0002g difference is constant standby.
5.3 Determination
5.3.1 Separation
The sample was transferred to a beaker (4.2), add water to the mark, stir with a glass rod, the stand for about 10min, then water poured into the upper section
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