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SN/T 0800.7-2016 English PDF (SNT0800.7-2016)

SN/T 0800.7-2016 English PDF (SNT0800.7-2016)

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SN/T 0800.7-2016: Cereals, oil bearing materials and feedstuffs for export - Method for the inspection of imperfect kernel

This part of SN/T 0800 specifies the inspection methods for imperfect kernel of cereals, oil bearing materials and feedstuffs for import and export. This section applies to the inspection of imperfect kernel of cereals, oil bearing materials and feedstuffs for import and export.
SN/T 0800.7-2016
SN
ENTRY-EXIT INSPECTION AND QUARANTINE STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
Replacing SN/T 0800.7-1999, SN/T 0803.2-1999
Cereals, oil bearing materials and feedstuffs for export
- Method for the inspection of imperfect kernel
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ISSUED ON: MARCH 09, 2016
IMPLEMENTED ON: OCTOBER 01, 2016
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of PRC
Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 7
4 Sampling and sample preparation ... 7
5 Inspection... 7
Appendix A (Normative) Sample size of imperfect kernels in cereals, oil bearing materials and feedstuffs ... 11
Appendix B (Normative) Determination of sub-items of imperfect kernels in cereals, oil bearing materials and feedstuffs ... 12
Cereals, oil bearing materials and feedstuffs for export
- Method for the inspection of imperfect kernel
1 Scope
This part of SN/T 0800 specifies the inspection methods for imperfect kernel of cereals, oil bearing materials and feedstuffs for import and export.
This section applies to the inspection of imperfect kernel of cereals, oil bearing materials and feedstuffs for import and export.
2 Normative references
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) is applicable to this standard.
GB 1351 Wheat
GB 1352 Soybean
GB 1353 Maize
GB 1354 Rice
GB/T 8231 Sorghum
GB/T 10458 Buckwheat
GB/T 10459 Broad bean
GB/T 10460 Peas
GB/T 10461 Small beans
GB/T 10462 Mung bean
GB/T 11761 Sesame seed
GB/T 11762 Rapeseed
GB/T 11766 Millet
GB/T 13356 Milled glutinous broomcorn millet
GB/T 13358 Milled non-glutinous broomcorn millet
SN/T 0798 Inspection of cereals oils and feedstuffs for import and export - Terminology for inspection
SN/T 0799 Inspection of cereals oils and feedstuffs for import and export - General rules for the inspection
SN/T 0800.1 Inspection of cereals, oils and feedstuffs for import and export - Methods of sampling and preparation of samples
SN/T 0800.18 Cereals and feedstuffs for import and export - Method for the inspection of admixture
SN/T 0803.6 Oil bearing materials for import and export - Method for the inspection of impurities
3 Terms and definitions
The terms and definitions defined by SN/T 0798 apply to this document.
4 Sampling and sample preparation
See SN/T 0800.1 for sampling and sample preparation methods.
5 Inspection
5.1 Instruments and utensils
5.1.1 Electronic balance: Sensitivity 0.1 g and 0.01 g.
5.1.2 Sample tray.
5.1.3 Small dishes.
5.1.4 Hand-held magnifying lens.
5.1.5 Tweezers.
5.1.6 Scalpel.
5.2 Inspection method
5.2.1 Cereal and feedstuff
(when necessary, large and medium grain samples shall be cut or peeled off for identification). Then place them in a small dish; weigh them on a balance which has a sensitivity of 0.01 g. Record the weighing results.
5.2.1.2.2 Result calculation
The percentage of total imperfect kernels of other cereals and feedstuffs is calculated according to formula (2).
Where:
b' - Percentage of total amount of imperfect kernels, %;
t1 - The percentage of large impurity content, %;
t2 - The percentage of harmful and toxic impurities, %;
m'n - The mass of each sub-item of the imperfect kernel, in grams (g);
m1 - The mass of the imperfect kernel specimen, in grams (g).
For the inspection result of the total amount of imperfect kernels, it takes one decimal place. For the inspection result of the sub-item of imperfect kernels, it takes two decimal places.
The attribution of the shared items of the sub-item of imperfect kernels is based on the attribution rules of the sub-item shared item in SN/T 0799. 5.2.2 Oil bearing materials
5.2.2.1 Inspection steps
Prepare specimens according to the sample preparation method specified in SN/T 0800.1. Calculate the percentage of impurity content in large-sized samples (t3) according to the method in SN/T 0803.6. The amount of imperfect kernels is determined in accordance with Appendix A. In accordance with Appendix B and SN/T 0798, combined with the definitions in GB 1352, GB/T 11761, GB/T 11762, select various imperfect kernels that have been identified by naked eyes or with a magnifying lens (the large and medium grain samples shall be cut or stripped for identification if necessary). Then place them in a small dish. Weigh them on a balance which has a sensitivity of 0.01 g. Record the weighing results.
5.2.2.2 Result calculation

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