QB/T 2708-2005 Sampling quantity for leather batch sampling

This standard specifies the method for taking the number of whole samples from commercial batches or production batches. This standard applies to all types of leather. QB/T 2708-2005 Sampling Quantity for Leather Sampling Batch Samples QB/T2708-2005 Standard Download Decompression Password: www.bzxz.net

IC.S59.140
Classification number: Y45
Registration number: 15760-2005
Light Industry Standard of the People's Republic of China
QB/T 2708—2005
QT1/T 3812.3—1990
Leather sampling
Sampling quantity of batch sample
Leather-Sampling-Numher of items far a gruss sample(1SO 2588 :1985 Leather-Sarnpling-—Nurnber ol ilcms fnra gross sanpleMOD)
2005-03-19 Issued
National Development and Reform Commission of the People's Republic of China Implemented on September 1, 2005
This standard is revised according to Q3812.3-1999, the number of samples for leather extraction: QH/T270F2005
This standard amends the international standard 502588-1985 Leather sampling batch sampling (LeatheT-Sample—Nuaberafitemxfnragsamnle). Q8/3812.3-1999 adopts 1502588:1973, 1802588 is revised, 1S02588:1985 replaces 71502588:1973.
This standard is based on 1502.588:1985 and is renewed. According to the actual situation in China, this standard has made the following technical modifications when adopting 15025RR:1985: 1. The explanatory "Note" is given. The ISO3534 standard cited in the chapter "Normative References" of the original standard is not in line with this standard. This standard has deleted the "Normative References". The order of the following clauses is based on the consistency and consistency of the terms and conditions. Some of the words in "Technical Specifications and Definitions" have been adjusted, which does not affect the convenience of use of the terms and conditions. This standard has also made the following editorial changes: In addition to the foreword of the standard: The word "International Standard" is changed to "This Standard": The decimal point is replaced by "." Compared with Q312.3-1999, the main changes are that some technical specifications have been revised. This standard was proposed by China Light Industry Federation: This standard is under the jurisdiction of the National Leather Industry Standardization Committee (SAC/TC252). The originating unit of this standard: China Leather Industry Research Institute. The drafter of this standard: This standard was first issued in October 1984 as the original standard GB4689.3-1984, and was converted into the light industry standard Q8/T3812.3-1999 in April 1999. This standard is the second time. The date of implementation of this standard: The light industry standard Q8/T3812.3-1999 issued by the State Administration of Light Industry.
Leather sampling·Sampling quantity of batch samples
This standard specifies the method of taking whole samples from commercial batches or production pallets. The standard is applicable to various types of leather. 2 Terms and definitions
5 Terms and definitions are used in this standard.
Commercial batch
QR/27082005
The total number of products produced by a commercial organization within a period of time, including a production batch or a part of a production batch. 2.2
Production batch
The number of products produced under the same production conditions. 2.3
: The whole product selected from the production batch. 2.4
The whole piece selected and cut from the batch sample. 3 Sampling method
3.1 If you have any special judgment on the sampling effect, take samples according to 3.2-3.1. 3.2 The number of samples for batch samples shall be calculated according to formula (1): w = 0.5VN
In the formula:
The number of samples for batch sampling,
The total quantity of products in commercial batch production, 3.3 The number of samples collected in this year shall not be less than 33.4 The sampling shall be ensured to be random, which can be done by appropriate means, such as by using a single machine to carry out sampling. 4 The sample report
The actual sample report shall contain the following contents:
9) The abbreviation of this standard;
The indication of each batch;
The micro-disk of each batch:wwW.bzxz.Net
The number of samples for batch sampling:
QB, T2708-2005
The sampling situation shall be different from the actual selection of this standard,
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