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C FreezingPoint Apparatus 73
Dell Acqua G GrapeSeed Oil
M and Lemon B J Electrolysis of Solutions of the Rare Earths
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acetic acid added alcohol alkali ammonia ammonium amount analysis apparatus aqueous barium boiling boiling-point boric acid bromine c.c. of water calcium carbon dioxide cellulose cent cheese Chem chemical chemistry chemists chloride colour composition concentrated containing cooled copper Detection determined diluted dissolved distillation dried error Estimation ether evaporated excess experiments extract fatty acids filtered filtrate flask fraction give glass grms heated hydrochloric acid hydrogen peroxide hydrogen sulphide ignited insoluble iodide iodine iron liquid litre matter metals method methyl mgrm milk minutes mixed mixture niobium nitric acid nitrogen obtained oxide oxidised percentage permanganate phosphorus portion potassium precipitate present protein reaction reagent reduced residue rubber salt sample separated small quantities sodium carbonate sodium chloride sodium hydroxide soluble solution solvent SSSSS substance sulphate sulphide sulphuric acid tantalum temperature thiosulphate tion titration toluene tube volume vulcanised washed weight Zeitsch zinc