91

H.—3l

Return of Analyses at the Analytical Laboratory, Christchurch -continued.

Department or Person from whom Sample received. Date received. Nature of Sample. Adulteration suspected, or for what analysed. Kesuit of Analysis. Inspector of Weights and Measures, Oamaru 1906. Feb. 18 Whisky .. Purity .. Alcohol, 40-05 per cent., equals 1693 per cent, under proof; extraot, 021 per cent. ; acid, 0 03 per cent.; fuseloil, trace ; methyl alcohol, nil. Ditto 18 .. Alcohol, 36 per oent , equals 24-74 per cent, underproof; extract, 016 per cer:t. ; acid, 0-06 per cent.; fusel-oil, trace ; methyl alcohol, nil. 18 .. Alcohol, 40'3 per cent., equals 16-46 per cent, underproof; extract, 0-22 per cent.; acid, 0'03 per cent. ; fusel-oil, trace; methyl alcohol, nil. 18 Ale, draught, Simpson and Go. .. Original gravity, 1-0450; specific gravity, 1-0043. Aloohol, 4-27 per cent.; extract, 3-1 per cent.; ash, 0-19 per cent. ; acid (lactio), 0-167 per cent.; sulphates, 0-13 per cent.; sulphites, trace ; other preservatives, nil ; bitters, (from) hops; poisonous metals, nil. A very weak sample. 18 Ale, draught, MoGavin and Co. .. Original gravity, 1-0530; specific gravity, 1-0027. Alcohol, 5-26 per cent.; extract, 3-1 per cent.; ash, 0-16 per cent. ; sulphates, 0-05 per cent.; acid (lactic), 0-123 per cent. ; sulphites, trace ; other preservatives, nil; bitters, (from) hops; poisonous metals, nil. 18 Ale, draught, Speight and Co. .. Original gravity, 1-0574; specific gravity, 1-0046. Alcohol, 5-45 per cent.; extract, 3-71 per cent.; ash, 0-18 per cent.; sulphates, 004 per cent. ; acid (lactic), 0-106 per cent. ; sulphites, trace ; other preservatives, nil; bitters, (from) hops; poisonous metals, nil. 18 Ale, bottled, B. Shand .. . Original gravity, 1-0555; specific gravity, 1-0031. Alcohol, 5-51 per cent ; extract, 3'31 per oent.; ash, 03 per cent.; sulphates, 0-11 per cent.; acid (lactic), 3-36 per cent.; sulphites, traoe ; other preservatives, nil; bitters, (from) hops; poisonous metals, nil. Water from the Lyttelton water-supply :*altb Mar. 1 Chlorides .. .. Chlorine, 056gr. per gallon, equal to 0-92 gr. sodium-obloride. 1 Ditto i .. j Chlorine, 0-56 gr. per gallon, equal to 0-92 gr. sodium-chloride. n 1 .. Chloride, 0-05 gr. per gallon, equal to 1-74 gr. sodium-chloride. 1 .. i Chloride, 6-65gr. per gallon, equal to 10-95 gr. sodium-chloride. 1 .. Chloride, 105 gr. per gallon, equal to l - 74gr. sodium-chloride. 1 Purity .. Organio and volatile matter, 196 gr. ; sodium-chloride, 104 gr.; sodiumbicarbonate, 0-92 gr.; iron, 0-02 gr.; carbonate of lime, 2-62 gr.; nitric anhd., 0-04 gr. ; sulphates, trace ; free ammonia, 0074 parts per million ; albuminoid ammonia, 0-018 parts per million. Not first-class, as, in addition to ratter much ammonia, it contains about 8 gr. per gallon of mineral matter, and becomes alkaline on boiling. A sediment ooming up from the well is oomposed of oxide and salts of iron aud vegetable organic matter. The vegetable matter is a species of fungus known as the iron-baoteria.