cotton—Electrical moisture meter
1 Scope
This standard specifies the method for measuring the moisture regain in raw cotton using an electrical moisture meter.
This standard is applicable to fine-staple cotton and long-staple cotton with a moisture regain of 3%~13%.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest editions apply.
GB 1103 Cotton—Upland cotton
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB 19635 Cotton—Sea island cotton
3 Terms and definitions
For the purpose of this standard, the following terms and definitions apply.
3.1
moisture weight
the weight of raw cotton when it contains moisture.
3.2
dry weight
the weight of raw cotton after removing moisture by certain means.
3.3
moisture regain
the moisture content of the raw cotton measured under the specified conditions, which is expressed as the percentage of the difference between the moisture content and the dry weight of the specimen to the dry weight.
4 Principles
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
5 Instrument and appliance
6 Test environment
7 Sampling
8 Test procedure
9 Test results
10 Test report
Annex A (Informative)
