Asphaltum
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In our eReader you can find the full English version of the book. Read Asphaltum Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Asphaltum
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(c) Resins soluble in alcohol.
(d) Solid asphalt-like substance or substances soluble in ether and not in alcohol; black, pitch-like, lustrous in fracture; 15 to 85 per cent.
(e) Black or brownish-black substance or substances not soluble either in alcohol or ether; i to 75 per cent.
(f ) Nitrogenous substances, often as much as corresponds to i or 2 per cent, of nitrogen.
All varieties of asphaltum are wholly or partly soluble in one or more of the following solvents, viz. : carbon bisulphide,... alcohol, ether, chloroform, turpentine, petroleum, naptha, and benzene.
The ingredients which compose asphaltums are present in varying pro- portions in different kinds of asphaltum, and are classified by different authors in many ways.
A convenient mode, and one in frequent use, is a division into petro- lene and asphaltene as proposed by Boussingault. Petrolene he described as an oil ( C 10 H 16 ), separable from asphalt by heating in an oil-bath to 300 C. (572 F. ), asphaltene being the residue.
What to read after Asphaltum?
You can find similar books in the "Read Also" column, or choose other free books by Pa Commercial Museum Philadelphia to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
(c) Resins soluble in alcohol.
(d) Solid asphalt-like substance or substances soluble in ether and not in alcohol; black, pitch-like, lustrous in fracture; 15 to 85 per cent.
(e) Black or brownish-black substance or substances not soluble either in alcohol or ether; i to 75 per cent.
(f ) Nitrogenous substances, often as much as corresponds to i or 2 per cent, of nitrogen.
All varieties of asphaltum are wholly or partly soluble in one or more of the following solvents, viz. : carbon bisulphide,... alcohol, ether, chloroform, turpentine, petroleum, naptha, and benzene.
The ingredients which compose asphaltums are present in varying pro- portions in different kinds of asphaltum, and are classified by different authors in many ways.
A convenient mode, and one in frequent use, is a division into petro- lene and asphaltene as proposed by Boussingault. Petrolene he described as an oil ( C 10 H 16 ), separable from asphalt by heating in an oil-bath to 300 C. (572 F. ), asphaltene being the residue.
What to read after Asphaltum?
You can find similar books in the "Read Also" column, or choose other free books by Pa Commercial Museum Philadelphia to read onlineMoreLess
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