GB 5009.237-2016: Translated English of Chinese Standard. GB 5009.237-2016: National standard for food safety - Determination of pH value in food
https://www.chinesestandard.net, 02/08/2017 - 9 من الصفحات
This Standard specifies the methods for determination of pH in meat and meat products, oysters in aquatic products, and canned food. This Standard is applicable to the pH testing for the homogenized products and the pH non-destructive testing for the slaughtered carcasses and lean meat in meat and meat products, the pH determination for oysters in aquatic products, and the pH determination for canned food.
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Instruments and equipment
Expression of the analysis results
طبعات أخرى - عرض جميع المقتطفات
accordance with Subclause accurate to 0.001g ADD water ADJUST the temperature analysis of hygienic aquatic products Buffer solution 20°C carbon dioxide certified by China China and granted Citric acid monohydrate Composite electrode determination of pH Disodium citrate disodium hydrogen display is stable equipment 4.1 Ethanol evenly for standby freshly boiled heterogeneous samples homogenized samples hygienic standard indicating electrode Iodoacetic acid least twice Magnetic stirrer Measurement of pH meat and meat meat products MIX evenly oysters in aquatic pH determination pH in GB/T pH meter pH test Potassium bitartrate Potassium chloride solution potassium dihydrogen phosphate potassium hydrogen phthalate PROCEED in accordance range of 20°C reading display Reagents reference electrode Reference Material Certificate REPEAT the determination sample temperature sodium hydroxide solution standard for food standard of fish standard solution standby application steps suitable temperature compensation system value in food volume of 1,000mL water for dissolution water to dilute WEIGH weight at 110°C