DIN EN ISO 4120-2007
感官分析.方法学.三角试验

Sensory analysis - Methodology - Triangle test (ISO 4120:2004) English version of DIN EN ISO 4120:2007-10

DIN EN ISO 4120-2007 发布历史

This international describes a procedure for detemining whether a perceptible sensory difference or similarity between samples of two products. The method is a forced-choice procedure . The method is applicable whether a difference exists in a single sensory attribure or in several attributes. The method is statistically more efficient than the duo-trio (described in ISO 10399),but has limited use with products that exhibit strong carryover and/or lingering flavours. the method is applicable even when the nature of the difference is unknown[i.e.it determines neither the size nor the direction of difference between samples,nor is there any indication of the attribute(s)responsible for the difference].The method is applicable only if the products are fairly homogeneous. the method is effective for a) determining that - either a perceptible difference results(triangle testing for difference), or -a perceptible difference does not result(triangle testing for similarity )when,for example,a change is made in ingredients,processing,packaging,handing or storage; b) or for selecting,training and monitoring assessors.

DIN EN ISO 4120-2007由德国标准化学会 DE-DIN 发布于 2007-10。

DIN EN ISO 4120-2007 在中国标准分类中归属于: X04 基础标准与通用方法，在国际标准分类中归属于: 67.240 感官分析。

DIN EN ISO 4120-2007 发布之时，引用了标准

• ISO 5492-1992 感官分析 词汇 两种语言版
• ISO 8589-1988 感官分析 试验室设计的总则

DIN EN ISO 4120-2007的历代版本如下：

• 2007年10月 DIN EN ISO 4120-2007 感官分析.方法学.三角试验
• 2021年06月 DIN EN ISO 4120-2021 感官分析. 方法论. 三角试验(ISO 4120-2021); 德文版 EN ISO 4120-2021

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标准号

DIN EN ISO 4120-2007

发布日期

2007年10月

实施日期

废止日期

无

中国标准分类号

X04

国际标准分类号

67.240

发布单位

DE-DIN

引用标准

ISO 5492-1992 ISO 8589-1988

被代替标准

DIN ISO 4120-2005

适用范围

This international describes a procedure for detemining whether a perceptible sensory difference or similarity between samples of two products. The method is a forced-choice procedure . The method is applicable whether a difference exists in a single sensory attribure or in several attributes. The method is statistically more efficient than the duo-trio (described in ISO 10399),but has limited use with products that exhibit strong carryover and/or lingering flavours. the method is applicable even when the nature of the difference is unknown[i.e.it determines neither the size nor the direction of difference between samples,nor is there any indication of the attribute(s)responsible for the difference].The method is applicable only if the products are fairly homogeneous. the method is effective for a) determining that - either a perceptible difference results(triangle testing for difference), or -a perceptible difference does not result(triangle testing for similarity )when,for example,a change is made in ingredients,processing,packaging,handing or storage; b) or for selecting,training and monitoring assessors.

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