Chwilio Deddfwriaeth

First Commission Directive of 15 June 1971 establishing Community methods of analysis for the official control of feeding-stuffs (71/250/EEC) (repealed)

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Deddfwriaeth yn deillio o’r UE

Pan adawodd y DU yr UE, cyhoeddodd legislation.gov.uk ddeddfwriaeth yr UE a gyhoeddwyd gan yr UE hyd at ddiwrnod cwblhau’r cyfnod gweithredu (31 Rhagfyr 2020 11.00 p.m.). Ar legislation.gov.uk, mae'r eitemau hyn o ddeddfwriaeth yn cael eu diweddaru'n gyson ag unrhyw ddiwygiadau a wnaed gan y DU ers hynny.

Changes over time for: Division 3.

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Version Superseded: 26/08/2009

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Cyhoeddir Cyfarwyddebau’r UE ar y wefan hon i gynorthwyo croesgyfeirio o ddeddfwriaeth y DU. Ers diwrnod cwblhau’r cyfnod gweithredu (31 Rhagfyr 2020 11.00 p.m.) nid oes unrhyw ddiwygiadau wedi'u cymhwyso i'r fersiwn hon.

3.ReagentsU.K.

3.1.Solution of 4-dimethylaminobenzaldehyde: dissolve 1·6 g of 4-DMAB A.R. in 100 ml of 96% ethanol and add 10 ml of hydrochloric acid A.R. (d: 1·19). This reagent keeps for a maximum period of two weeks.U.K.
3.2.Carrez solution I: dissolve in water 21·9 g of zinc acetate [X1Zn (CH 3 COO) 2 · 2H 2 O] and 3 g of glacial acetic acid. Make up to 100 ml with water.U.K.
3.3.Carrez solution II: dissolve in water [X110·6 g of potassium] ferrocyanide, K4 Fe (CN)6 · 3H2O. Make up to 100 ml with water.U.K.
3.4.Active carbon A.R. which does not absorb urea (to be checked).U.K.
3.5.0·1% solution (w/v) of urea A.R.U.K.

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