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QB/T 2725-2005 English PDF (QBT2725-2005)

QB/T 2725-2005 English PDF (QBT2725-2005)

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QB/T 2725-2005: Leather. Determination of Odour

This Standard specifies the determination method for the odor of leather in an isolated environment. This Standard is applicable to the leather with odor requirements.
QB/T 2725-2005
QB
LIGHT INDUSTRY STANDARD OF
THE PEOPLE REPUBLIC OF CHINA
ICS 59.140
Classification No.. Y45
File No.. 15777-2005
Leather - Determination of odor
ISSUED ON. MARCH 19, 2005
IMPLEMENTED ON. SEPTEMBER 1, 2005
Issued by. National Development and Reform Commission, People's
Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Devices ... 4
3 Test environment ... 4
4 Tester ... 4
5 Sampling and sample preparation ... 4
6 Procedures ... 5
7 Level ... 5
8 Test report ... 6
Leather - Determination of odor
1 Scope
This Standard specifies the determination method for the odor of leather in an isolated environment.
This Standard is applicable to the leather with odor requirements.
2 Devices
2.1 Test cans, metal cans or glass jars, with a volume of approximately 1 L, are odorless at room temperature and 65??C, with suitable lids which shall be easily opened and replaced.
2.2 Oven, with air circulation system capable of maintaining temperature at (65??3)??C.
3 Test environment
The test shall be carried out in an environment where the odor is freely distributed, and the space for adjustment shall be as ideal as possible, but not required.
4 Tester
The tester shall have no olfactory defects; smokers, users of heavy-scented cosmetics, traditional scent or tobacco are not suitable as testers.
5 Sampling and sample preparation
5.1 Sampling
Cut two representative samples. The size of the sample is 125mm ?? 100 mm. 5.2 Air conditioning
Before the test, the sample shall be adjusted at an environment with
temperature of (23??2)??C and relative humidity of 50% for 24h.

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