# First Commission Directive of 26 July 1979 laying down Community methods of analysis for testing certain sugars intended for human consumption (79/796/EEC), Division 6.1.5

Extent: E+W+S+N.I.

Continue the standardization by adding, from the burette, the standard invert sugar solution in small increments, initially of 0·2 ml; then 0·1 ml and finally in single drops until the end-point is reached. This is indicated by the disappearance of the blue colour imparted by the methylene blue. The solution has then assumed the reddish colour associated with a suspension of copper I oxide.

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Source: https://www.legislation.gov.uk/eudr/1979/796/annex/II/division/8/division/6/division/6.1/division/6.1.5 (the official version)
Page: https://openlegislation.uk/eu-directive-1979-796/annex-II/division-8/division-6/division-6.1/division-6.1.5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.