BS 6248 is a British standard on caseins and caseinates that discusses the determination of nitrate and nitrite contents of caseins and caseinates to ensure caseins and caseinates are safe for consumption.
BS 6248-11 is the eleventh part of the BS 6248 series that specifies a method by cadmium reduction and spectrometry for the determination of the nitrate and nitrite contents of caseins and caseinates.
BS 6248-11 on the determination of nitrate and nitrite contents of caseins and caseinates is useful for:
Casein is precipitated from skim milk by acidifying it to produce acid casein, or the milk is treated with rennet to produce rennet casein. The precipitated casein curd is separated from the whey, washed, and dried. The water-soluble derivatives of acid caseins, produced by reaction with alkalis, are called caseinates.
Nitrate and nitrite contents of caseins and caseinates are the contents of substances determined by the procedure specified in BS 6248-11 and expressed respectively as milligrams of nitrate ion (NO) and of nitrite ion (NO) per kilogram.
BS 6248-11 provides you with guidance on apparatus, sampling, the procedure for the preparation of the copperized cadmium column, checking the reducing capacity of the column, regeneration of the column, preparation of the test sample, calibration graph, extraction and deproteination, reduction of nitrate to nitrite, expression of results, method of calculation and formula, test report, etc.
The methods and procedures provided by BS 6248-11 assist you in the determination of nitrate and nitrite contents of caseins and caseinates, improving the quality and subsistence of caseins and caseinates and ensuring a reduction in the risk to human health due to the consumption of nitrate and nitrite content.
With obedience and compliance to BS 6248-11, you can enhance caseins and caseinates’ effectiveness and efficacy, create new products, and launch them successfully in a global market.
ISO 8195:1987