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GB/T 17321-2012 sensory analysis method—duo-trio test

Standard Number:  GB/T 17321-2012
Title:  sensory analysis method—duo-trio test
Language:  Simplified Chinese
Replacing Standard:  GB/T 17321-1998

Publication Date:  2012/6/29
Execute Date:  2012/11/1
Status:  Current
International Classification for Standards (ICS)FOOD TECHNOLOGY>>Sensory analysis
Publisher:  Chinese Standards(GB)
Number of Pages:20  

Description:This standard specifies to determine whether there is between two sample of the product can feel the difference of sensory or similar programs. The standard method for the forced choice program.
this standard applies to a single or several sensory characteristics exist differences. This standard applies to the difference between the characteristics of the unknown (i.e. it does not determine the difference between the sample difference degree is not sure, also shows no sign of any feature difference). This standard applies only to products are fairly similar.
this standard Used in the following situations: sure

A) --, feel the difference (2-3 inspection test difference);
- no feeling difference (2-3 inspection test similar), for example when ingredients, process, packaging, processing or storage when there is a change.
B) used for selection, training and testing evaluation member
this standard method of two forms:
- a constant reference technology, used for evaluation Familiar with a product (e.g., samples from fixed line);
- balance reference technology, to evaluate a member of a product is no more familiar than another product.
this standard statistical validity below three inspection (see GB/T12311), evaluator but easier to implement.  
Catalog: Ⅰ
1 1
2 1
3 1
4 2
5 2
6 3
7 3
8 4
9 4
10 5
A - 6
B 10
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  796KB
Tile in English:  sensory analysis method—duo-trio test

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