|
US$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 17321-2012: Sensory analysis method -- Duo-trio test
Status: Valid GB/T 17321: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 17321-2012 | English | 439 |
Add to Cart
|
4 days [Need to translate]
|
Sensory analysis method -- Duo-trio test
| Valid |
GB/T 17321-2012
|
| GB/T 17321-1998 | English | 439 |
Add to Cart
|
3 days [Need to translate]
|
Sensory analysis method--Duo-trio test
| Obsolete |
GB/T 17321-1998
|
PDF similar to GB/T 17321-2012
Basic data | Standard ID | GB/T 17321-2012 (GB/T17321-2012) | | Description (Translated English) | Sensory analysis method -- Duo-trio test | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B04 | | Classification of International Standard | 67.240 | | Word Count Estimation | 19,161 | | Older Standard (superseded by this standard) | GB/T 17321-1998 | | Quoted Standard | GB/T 10220; GB/T 10221; GB/T 12311; GB/T 13868; GB/T 16291.1; GB/T 16291.2 | | Adopted Standard | ISO 10399-2004, MOD | | Regulation (derived from) | National Standards Bulletin No. 13 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the sample between the two products to determine whether there may be differences in the perceived sensory or similar procedures. This standard method for the forced-choice procedure. This standard applies to a single or a few diff | GB/T 17321-2012: Sensory analysis method -- Duo-trio test---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS67.240
B04
National Standards of People's Republic of China
Replacing GB/T 17321-1998
Sensory Analysis Method two - three test
(ISO 10399.2004, Sensoryanalysis-Methodology-Duo-triotest, MOD)
Issued on. 2012-11-01 2012-06-29 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Principle 2
5 Test conditions and requirements 2
6 3 reviewers
7 Program 3
8 Analysis and Expression 4
9 inspection reports 4
10 Precision and Bias 5
Appendix A (normative) two - three test required number of correct answers and the number of evaluators look-up table 6
Annex B (informative) Example 10
References 15
Foreword
This standard rule according to GB/T 1.1-2009 given draft.
This standard replaces GB/T 17321-1998 "Sensory Analysis Method two - three test", compared with the GB/T 17321, its main technical
Changes are as follows.
--- Increase for preferred content of the training and testing of assessors (see Chapter 1);
--- "Reference standard" to "Normative references" (see Chapter 2);
--- Added "Terms and Definitions", "principle", "assessors" (see Chapter 3, Chapter 4 and Chapter 6);
--- Remove the "Method Synopsis", "equipment" and "sampling" (see 1998 edition, Chapter 4, Chapter 5 and Chapter 6);
--- "General test conditions and requirements" itemized the specific conditions (see Chapter 5), rather than reference to other standards (see 1998 edition
Chapter 7);
--- Deleted the evaluators requirements, but as detailed in a separate article (see Chapter 6);
--- "Test step" and "Results indicate" (see Chapter 8 and 9 of the 1998 edition) be changed to "Programs", "analysis and presentation of results."
And "(see Chapters 7 and 8);
--- Added "precision and bias" (see Chapter 10);
--- Appendix A, Appendix B to delete "answer format," adds statistical tables and examples.
This revised standard adopts ISO 10399.2004 "Sensory analysis methodology two three - point test" (English version) and ISO 10399..
Compared to 2004, this standard has been adjusted technical differences, specific adjustments are as follows.
a) on "Normative references".
--- With GB/T 10221 instead of ISO 5492.1992;
--- With GB/T 13868 instead of ISO 8589. 1988;
--- Increasing the GB/T 10220, GB/T 12311, GB/T 14195 and GB/T 16291.2.
b) Delete the international standard foreword, preface increased our standards.
c) 7.3 original "note" of the content, presentation as a standard text.
This standard is proposed and managed by the People's Republic of China Ministry of Agriculture.
This standard was drafted. Quality Standards and Testing Institute of Agricultural Technology Chinese Academy of Agricultural Sciences, the Ministry of Agriculture Food Quality Supervision and Testing
Center (Jinan).
The main drafters of this standard. Ren Fengshan, ZHANG Bing-chun, Xiao Lu, Qian Yong Zhong, Wang, Zhu Zhihua, Mao Xuefei, Wang Lei, Zhao Pingjuan, Wu Wei.
This standard replaces the standards previously issued as follows.
--- GB/T 17321-1998.
Sensory Analysis Method two - three test
1 Scope
This standard specifies the difference in determining whether or sensory perceptible similar program exists between samples of two products. This standard method
Forced Choice program.
This standard applies to single or several differences organoleptic properties exist. This standard also applies to unknown differences in characteristics (ie, both uncertain
The degree of difference between samples not sure difference range, there is no difference between the characteristic signs). This standard applies only when the product is quite similar.
This standard applies to the following.
a) determining
--- Feel the difference (two - three test test differences);
--- Without feeling the difference (two - three test similar to test), for example, when the ingredients, technology, packaging, processing, or storage there is a change.
b) preferred, training and inspection assessor
The two forms of standard methods.
--- Constant reference technique for the evaluation of staff when a familiar product (such as a sample from a fixed line);
--- Balance reference technique for the evaluation of a product who is more familiar than another product when.
The validity of less than three standard statistical tests (see GB/T 12311), but evaluators easier to implement.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 10220 Sensory Analysis Subjects (GB/T 10220-2012, ISO 6658.2005, IDT)
GB/T 10221 terminology Sensory analysis (GB/T 10221-2012, ISO 5492.2008, MOD)
GB/T 12311 three sensory analysis test (GB/T 12311-2012, ISO 4120.2004, MOD)
GB/T 13868 Sensory analysis sensory analysis laboratory to establish general guidelines (GB/T 13868-2009, ISO 8589.2007,
IDT)
GB/T 16291.1 sensory analysis selection, training and monitoring of assessors general guidelines - Part 1. selected assessors
(GB/T 16291.1-2012, ISO 8586-1.1993, MOD)
GB/T 16291.2 sensory analysis selection, training and monitoring of assessors general guidelines - Part 2. Expert reviewers
(GB/T 16291.2-2010, ISO 8586-2.2008, IDT)
3 Terms and Definitions
GB/T 10221 and define the following terms and definitions apply to this document.
3.1
α- risk alpha-risk
When there is no difference between the senses, to infer the probability of sensory differences exist.
Note. This is also considered Class Ⅰ error, significance level or false positive rate.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 17321-2012_English be delivered?Answer: Upon your order, we will start to translate GB/T 17321-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 17321-2012_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 17321-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. Question 5: Should I purchase the latest version GB/T 17321-2012?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 17321-2012 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
|