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1、INTERNATIONAL STANDARD IS0 6734 First edition 198906- 15 Sweetened condensed milk - Determination of total solids content (Reference method) Lait concentrb sucre - Determination de la mat ml is the mass, in grams, of the dish stirring rod and test portion (see 8.2); (including sand 1, lid, m2 is the
2、 mass, in grams, of the dish, lid, stirring rod and dried test portion (including sand) (see 8.3.6). Round the value obtained to the nearest 0,Ol % (VI/WI). 9.2 Precision NOTE - The values for repeatability and reproducibility are expressed at the 95 % probability level and were derived from the res
3、ults of an inter-laboratory test (see STEIGER, G and MARTENS, R. Bulletin of the international Dairy Federation, 1988, No. 235) carried out in accor- dance with IS0 5725 : 1986, Precision of test methods - Determina- tion of repeatability and reproducibility for a standard test method by inter-labor
4、atory tests. 9.2.1 Repeatability The difference between two single results found on identical test material by one analyst using the same apparatus within a short time interval will exceed 0,4 g of total solids per 100 g of product on average not more than once in 20 cases in the nor- mal and correc
5、t operation of the method. 2 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:33:01 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 6734 : 1989 CE
6、) 9.2.2 Reproducibility 10 Test report The difference between two single and independent results found by two operators working in different laboratories on identical test material will exceed 0,6 g of total solids per 100 g of product on average not more than once in 20 cases in the normal and corr
7、ect operation of the method. The test report shall show the method used and the result ob- tained. It shall also mention any operating details not specified in this International Standard, or regarded as optional, together with details of any incidents likely to have influenced the result. The test
8、report shall include all information necessary for the complete identification of the sample. 3 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:33:01 MDTNo reproduction or net
9、working permitted without license from IHS -,-,- This page intentionally leff blank Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:33:01 MDTNo reproduction or networking perm
10、itted without license from IHS -,-,- This page intentionally left blank Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:33:01 MDTNo reproduction or networking permitted withou
11、t license from IHS -,-,- IS0 6734 : 1989 (E) UDC 637.14222 : 543.82 Descriptors: food products, dairy products, sweetened products, milk, condensed milk, determination of content, solids, dry matter. Price based on 3 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:33:01 MDTNo reproduction or networking permitted without license from IHS -,-,-