REPORTS OF THE ANALYTICAL METHODS COMMITTEE OBTAINABLE THROUGH THE EDITOR The Reports of the Analytical Methods Committee listed below may be obtained direct from the Editor of THE ANALYST, 7-8, Idol Lane, London, E.C.3 (not: through Trade Agents), a t the price of 1s. 6d. to Members of the Society, and 2s. 6d. to non-Members. Remittances must accompany orders and be made payable to “Society of Public Analysts.” Milk Products Sub- Committee : Reports Nos. 1 and 2. Report No. 3. Report No. 4. Analysis of Condensed Milks. Analysis of Sweetened Condensed Milk in which the Sucrose has altered during Storage. Out of print. Determination of Water, of Total Solids and of Fat in Dried Milk. Sub-committee on Dirt in Milk. Report on the Determination of Total Solids in Fresh Liquid Milk.Essential Oil Sub-committee : Report. Determination of Dirt in Milk. Report No. 1. Report No. 2. Report No. 3. Report No. 4. Report No. 6. Report No. 6. Report No. 7. Report No. 8. Report No. 9. Report No. 10. Report No. 11. Report No. 12. Report No. 13. Report No. 14. Estimation of Cineole in Essential Oils. Physical Constants (I). Physical Constants (2). Interim Report on the Determination of Acetylisable Constituents in Essential Oils. Determination of Phenols in Essential Oils. Determination of Citral in Lemon Oil. Determination of Solubilities. Determination of Cineole in Essential Oils. Determination of Carvone and Menthone. Determination of Citronellal. Determination of Aldehydes other than Citronella]. Determination of Ascaridole. Determination of Esters. Solubility Test for Ceylon Citronella Oil.(Gratis.) (1) Cajuput and Eucalyptus Oils. (2) Camphor Oil. (3) Other Oils Metallic Impurities in Foodstuffs Sub-committee (formerly Sub- Committee on the Determination of Arsenic, Lead, etc. in Food Colouring Materials): Report No. 1. Determination of Arsenic. To be reprinted. Report No. 2. Determination of Lead. Report No. 3. Determination of Copper. Report No. 4. Determination of Zinc. Sub-Committee on the Determination of Unsaponifiable Matter in Oils and Fats and of Un- saponified Fat in Soaps: Report No. 1. Report No. 2. Report No. 3. Report No. 4. Report No. 6. Report No. 6. Determination of Unsaponifiable matter in Oils and Fats. Determination of Unsaponified Fat in Soap. Out of print. Determination of Free Alkali in Soaps.Determination of Free Alkali and Silica in Silicated Soaps. Determination Of Rosin in Soaps. Determination of Phenols in Soaps. Poisons Sub-committee appointed to investigate Methods of Assay for Various Substances appearing in the Poisons Schedules of the Poisons Regulations, 1935: Report No. 1. Report No. 2. Report No. 3. Report No. 4. Report No. 5. Report No. 6. Assay of Lobelia (LobeZia Inf2al‘a). Assay of Gelsemium Assay of Aconite. Assay of Yohimba. Assay of Jaborandi. Assay of Ephedra and of Ephidrine in Nasal Sprays. Fluorine in Foods Sub-committee : Report on the Determination of Fluorine in Foods. Addendum to above Report. (Gratis.) Sub- Committee on Vitamin Estimations. Microbiological Panel : Report on the Microbiological Assay of Riboflakine and Nicotinic Acid. Sub-committee on Vitamin Estimations. Car0 tene Panel : The Determination of Carotene in Green-Leaf Material. Part 1. Fresh Grass. Tragacanth Sub-Committee : Report No. 1, Report No, 2. Evaluation of Powdered Tragacantb. Evaluation of Flake Tragacanth.