# The Egg Products Regulations 1993, Paragraph 5: Procedure


The test shall be carried out according to the following procedure:
(a) the sample shall be at room temperature immediately before the test;
(b) 15.0 g of the sample shall be put into a small flask, 2.0 ml of the starch solution described in paragraph 3(a) above shall be added and mixed thoroughly;
(c) the mixture shall be placed for 30 minutes in a water bath maintained at 44°C ± 0.5°C and anchored securely; then removed and cooled to room temperature;
(d) 5 ml of the mixture shall be added to 5 ml of trichloroacetic acid solution in a test tube fitted with a ground glass joint and suitable stopper (or an equivalent item of equipment) and shaken thoroughly;
(e) 15 ml of water shall be added and the mixture shaken again; then it shall be filtered and if the solution is cloudy or turbid, the first runnings shall be rejected;
(f) 10 ml of the clear filtrate shall be added to 2 ml of iodine solution contained in a test tube.

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Source: https://www.legislation.gov.uk/uksi/1993/1520/schedule/2/paragraph/5 (the official version)
Page: https://openlegislation.uk/egg-products-regulations-1993/schedule-2/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.