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“ISO 21569:2020 Horizontal methods for molecular biomarker analysis – Methods of analysis for the detection of genetically modified organisms and derived products – Part 3: Construct-specific real-time PCR method for detection of P35S-pat-sequence for screening for genetically modified organisms” has been added to your cart. View cart
ISO 11289:1993
ISO 11289:1993 Heat-processed foods in hermetically sealed containers – Determination of pH
CDN $76.00
Description
The principle of the method specified is preparing the test sample according to the class to which the product to be examined belongs, and measuring the potential difference between a glass electrode and a reference electrode immersed in the test sample. Applies to four classes of product: 1. homogeneous products with a liquid or thick texture, or products exhibiting a large liquid or thick phase; 2. homogeneous pastes or heterogeneous products for which homogenization is necessary; 3. heterogeneous products with large solid components; 4. products whose liquid phase mainly consists of oil or a water/oil emulsion.
Edition
1
Published Date
1993-09-02
Status
PUBLISHED
Pages
4
Language
English
Format
Secure PDF
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Abstract
The principle of the method specified is preparing the test sample according to the class to which the product to be examined belongs, and measuring the potential difference between a glass electrode and a reference electrode immersed in the test sample. Applies to four classes of product: 1. homogeneous products with a liquid or thick texture, or products exhibiting a large liquid or thick phase; 2. homogeneous pastes or heterogeneous products for which homogenization is necessary; 3. heterogeneous products with large solid components; 4. products whose liquid phase mainly consists of oil or a water/oil emulsion.
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