Use of the Blowpipe with Closed and Open Glass Tubes
Very important results are obtained by heating substances under examination in closed or open glass tubes. They should be of hard German glass, as this does not readily soften under heat, nor become discolored, like ordinary flint glass, by a deposit of reduced lead. The most convenient size for the...
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| Published in: | Scientific American Vol. XLII.; no. No. 19.; p. 297 |
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| Main Author: | |
| Format: | Magazine Article |
| Language: | English |
| Published: |
New York
American Periodicals Series II
08-05-1880
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| Online Access: | Get full text |
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| Summary: | Very important results are obtained by heating substances under examination in closed or open glass tubes. They should be of hard German glass, as this does not readily soften under heat, nor become discolored, like ordinary flint glass, by a deposit of reduced lead. The most convenient size for the closed tube is 3 inches by 3 or 4 10ths; of the open tube, 4 1/2 inches by 2-10ths. |
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| Bibliography: | ObjectType-Article-2 content type line 24 ObjectType-Feature-1 SourceType-Magazines-1 |
| ISSN: | 0036-8733 1946-7087 |