Wat mensen zeggen - Een review schrijven
We hebben geen reviews gevonden op de gebruikelijke plaatsen.
Overige edities - Alles weergeven
according acid action added alcohol alkaline ammonia analysis animal appears applied base becomes body boiling carbonate cause cent chemical chloride color combination common completely composition compound considerable consists containing copper crystals deposit described diffusion dissolved distilled effect employed ether evaporated examination exists experiments extract fact filtered give glass grains grammes heat hydrochloric iodine iron known lead less light lime liquid liquor manner manufacture matter means metal method mixed mixture nature nitrate nitric observed obtained operation ordinary organic oxide oxygen passed plants plate portion potassa potassium powder precipitate prepared present produced properties proportion proved pure quantity remains removed salt separated silver soda soluble solution substance sufficient sugar sulphate sulphuric sulphuric acid surface taken temperature tion treated vessel washed weight whole yellow zinc
Pagina 46 - Chemical Analysis. THE COMMERCIAL HANDBOOK of CHEMICAL ANALYSIS ; or Practical Instructions for the determination of the Intrinsic or Commercial Value of Substances used in Manufactures, in Trades, and in the Arts. By A. NORMANDY, Author of " Practical Introduction to Rose's Chemistry," and Editor of Rose's " Treatise on Chemical Analysis.
Pagina 175 - ... consequently its hardness is =4. The alloy is harder than copper, very tough, and is, in a properly managed fire, malleable; so much so that a key was forged out of a cast rod. These important properties of this alloy warrant an expectation of its application to many purposes in the arts, and it would appear that they depend on its definite chemical proportions.
Pagina 500 - ... as fully master of the subject, as those whose official duty has led them to make it their peculiar study. The first point, to which I wish to call the attention of the committee, is the amount of what may be considered as the probable future income of the country ; and I will begin by recapitulating the result of the accounts for different years, which have been already stated.
Pagina 41 - Organic matter dissolved in oil of vitriol was separated from it by a thickness of stratum of only four inches. A bottle of porter was by the same process deprived of nearly all its color.
Pagina 520 - Act shall from time to time make out and maintain a complete register of all persons being Members of the said Society, and also of all persons being Associates and Apprentices or Students respectively, according to the terms of the Charter of Incorporation, and shall keep a proper index of the register, and all such other registers and books as may be required by the Council of the said Society, and may be necessary for giving effect to the bye-laws of the said Society, and to the provisions of...
Pagina 19 - ... dissolved. From the few trials I have made, I may remark that sulphate of lime appears to be hardly less soluble, if at all less, in water saturated with common salt than in perfectly fresh water. This seems to be a fortunate circumstance in relation to the inquiry as to the means of prevention, and likely to simplify the problem.
Pagina 520 - ... been established on their own account at the date of the said charter, or who should have been examined in such manner as the Council of the said Society should deem proper, or who should have been certified to be duly qualified for admission, or who should be persons elected as superintendents by the Council of the said Society : And whereas, it is expedient to prevent ignorant and incompetent persons from assuming the title of or pretending to...
Pagina 269 - Is thus either wasted, by its escape, or is rendered injurious to the fabric, by remaining too long in contact with it. Now, instead of this, I adopt the following process, whereby the whole, or a great portion of the chlorine or chloro-compound, is kept in a combined state, and recovered for future use. By the term
Pagina 519 - WHEREAS it is expedient for the safety of the public that persons exercising the business or calling of Pharmaceutical Chemists in Great Britain should possess a competent practical knowledge of Pharmaceutical and General Chemistry and other branches of useful knowledge...