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AS 2300.1.2.1:1991 (R2019)

AS 2300.1.2.1:1991 (R2019)

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Methods of chemical and physical testing for the dairying industry – General methods and principles – Determination of nitrogen – Reference Kjeldahl method

Published By Publication Date Number of Pages
AS 1991-08-09 13
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Scope

This Standard sets out the reference Kjeldahl method for the determination of nitrogen in milk, milk fractions and milk products. The method allows for the estimation of nitrogen on a mass/mass basis and a mass/volume basis.
This method is applicable to test portions containing at least 2 mg of nitrogen. Nitrogen present as nitrate or nitrite is not determined.
NOTE: Information is given in Appendix A on the use of modified Kjeldahl systems which have been shown to provide results of similar precision to this reference method. These modifications may be used if validated.

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AS 2300.1.2.1:1991 (R2019)
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