BAIR-D &TATLOCK (LONDON) LTD. 



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4937 



4933 



4935 



4933 Dairy Acidimeter, as recommended by Mr. J, M'Creath, F.C.S., for determining the acidity 

 in cheese and butter making. Descriptive pamphlet on application. 



Price, complete, consisting of burette and fittings, stand, two pipettes, one drop bottle for 

 indicator, porcelain basin, stirring rods, with half-Winchester standard caustic soda 

 solution, and 150 cubic centimetre phenol phthalein, including packing case 



4934 T Extra half- Winchester standard caustic soda solution, including bottle each, 3/8 ; per doz. 



4935 Reichert-Wollny Apparatus, for the determination of volatile fatty acids in margarine 



and butter (for description see Analyst, December, 1900, pp. 309-313). Price of standard 

 apparatus, as figured, including burner, and tripod 



4936 Reflux Condenser, I.R. cork and T tube, as used for first stage of above method (see 



Analyst, p. 312) 



4937 Polenske's Modificat : on of the Reichert-Meissl Method for the detection of cocoa-nut 



oil in butter. Price, complete as figured, made to Standard measurements 



The method is based upon the determination of the volatile insoluble fatty acids which distil over in the 

 ordinary Reichert-Meissl process. To obtain concordant results the distillation must be carried out under certain 

 conditions and in an apparatus of the dimensions shown in Analyst, vol. xxix., p. 155, and the use of alcohol for 

 saponification must be avoided. 



4938 r The Laboratory Book of Dairy Analysis. By H. Droop Richmond, F.I.C., Analyst to 

 the Aylesbury Dairy Co. Illustrated with photographs by the Author and containing a 

 list of the necessary apparatus and chemicals required for the analysis o; milk, butter, 

 etc. and Edition 



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CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS 



89.3 



