GB/T 39376-2020 (GB/T39376-2020, GBT 39376-2020, GBT39376-2020) & related versions
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Leather - Sampling - Number of items for a gross sample
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GB/T 39376-2020
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GBT 39376-2020
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GB/T 39376-2020: PDF in English (GBT 39376-2020)
GB/T 39376-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.140.30
Y 46
Leather - Sampling - Number of items for a gross
sample
(ISO 2588:2014, MOD)
ISSUED ON: NOVEMBER 19, 2020
IMPLEMENTED ON: JUNE 01, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Terms and definitions ... 4
3 Sampling method ... 4
4 Sampling report ... 5
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard uses the redrafting method to modify and adopt ISO 2588:2014,
“Leather - Sampling - Number of items for a gross sample”.
The technical differences between this Standard and ISO 2588:2014 and the
reasons are as follows:
-- Modify the scope of the standard to conform to industry language habits
and avoid repetition and ambiguity (see Chapter 1);
-- Delete "2 Normative references"; the subsequent chapters and articles are
arranged forward in proper order; there is no specific reference content;
the deletion does not affect the understanding and use of the standard;
-- Modify the terms and definitions of "batch" to conform to industry habits
and for convenience of use (see 2.1);
-- Modify "Table 1 -- Minimum number of items" to clarify the number of items
when the batch size is 1, which is convenient for operation (see Table 1);
-- Adjust the contents of the sampling report, to conform to our country's
custom (see Chapter 4).
For convenience of use, this Standard makes the following editorial changes:
-- Delete the explanatory note in "Scope".
This Standard was proposed by China National Light Industry Council.
This Standard shall be under the jurisdiction of National Technical Committee
252 on Leather of Standardization Administration of China (SAC/TC 252).
The drafting organizations of this Standard: Zhejiang Tongtianxing Group Joint-
stock Co., Ltd., Guangdong Huizhou Quality & Measuring Supervision Testing
Institute, Ruike Testing Services (Shenzhen) Co., Ltd., China Leather &
Footwear Research Institute Co., Ltd., Jiaxing Fur and Footwear Industry
Research Institute, Dongguan Rui’en Shoes Co., Ltd.
The drafters of this Standard: Lan Li, Hu Kun, Zhao Xiaodong, Dong Jiabin, Du
Zhiyao, Fang Zetian, Ren Keshuai.
Leather - Sampling - Number of items for a gross
sample
1 Scope
This Standard specifies the method for sampling the entire number of items
from the batch.
This Standard applies to the sampling of various types of leather products.
2 Terms and definitions
The following terms and definitions are applicable to this document.
2.1 Batch; lot
A certain number of products of the same variety that are put into production
with the same variety of raw materials and produced within a certain period of
time according to the same production process.
2.2 Gross sample
The number of entire items that are selected from a batch.
2.3 Item
The whole piece of leather that is taken from the gross sample.
3 Sampling method
3.1 If there is no special agreement on sampling in the relevant parties or the
test method, it is recommended to proceed according to the provisions of 3.2 ~
3.3.
3.2 The number of items for a gross sample depends on the size of the batch
and the purpose of sampling, and is also determined by the accuracy of the test
results, the diversity of the test performance, and the error of the test process.
3.3 The minimum number of items for a gross sample is shown in Table 1.
Table 1 -- Minimum number of items
in pieces
......
| Standard ID | GB/T 39376-2020 (GB/T39376-2020) | | Description (Translated English) | Leather - Sampling - Number of items for a gross sample | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y46 | | Classification of International Standard | 59.140.30 | | Word Count Estimation | 4,453 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-06-01 | | Drafting Organization | Zhejiang Tongtianxing Group Co., Ltd., Huizhou City, Guangdong Province, Quality and Metrology Supervision and Inspection Institute, Reco Testing Service (Shenzhen) Co., Ltd., China Leather and Shoes Research Institute Co., Ltd., Jiaxing Fur and Shoe Industry Research Institute, Dongguan Run Bang Shoe Material Co., Ltd. | | Administrative Organization | National Leather Industry Standardization Technical Committee (SAC/TC 252) | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Proposing organization | China National Light Industry Council | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
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