The Analysis of Copper And Its Ores And Alloys
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In our eReader you can find the full English version of the book. Read The Analysis of Copper And Its Ores And Alloys 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 The Analysis of Copper And Its Ores And Alloys
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& S. 7 cm. Paper, supported by a coarsely 1 Trans. A. I. M. E. 31, 484.
172 ANALYSIS OF COPPER perforated platinum cone. Wash, filter, etc. , as in the preceding method.
Cupellation. Dust the inside of the moist filter with 1. 5 grams of 30-mesh lead. Store the filters in a funnel rack until the muffle is ready, then fold each one before charring, and place it, point down, in a 1. 25 inch (3. 2 cm. ) Brownite cupel. These give higher results than bone-ash as already explained. The charring shou...ld be done in a separate muffle at very low red heat. The empty cupels should be placed in the hottest muffle for half an hour before use, and then brought down to the temperature of the cooler muffle before charring the filters. A very little lead is placed under the paper, also.
When a gray ash remains, add 4. 5 to 5 grams of lead, transfer to the hottest muffle, melt down quickly, bring forward and finish in a single row at a low heat. At the same time, another set is being charred in the cooler muffle.
What to read after The Analysis of Copper And Its Ores And Alloys?
You can find similar books in the "Read Also" column, or choose other free books by George Lincoln Heath to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
& S. 7 cm. Paper, supported by a coarsely 1 Trans. A. I. M. E. 31, 484.
172 ANALYSIS OF COPPER perforated platinum cone. Wash, filter, etc. , as in the preceding method.
Cupellation. Dust the inside of the moist filter with 1. 5 grams of 30-mesh lead. Store the filters in a funnel rack until the muffle is ready, then fold each one before charring, and place it, point down, in a 1. 25 inch (3. 2 cm. ) Brownite cupel. These give higher results than bone-ash as already explained. The charring shou...ld be done in a separate muffle at very low red heat. The empty cupels should be placed in the hottest muffle for half an hour before use, and then brought down to the temperature of the cooler muffle before charring the filters. A very little lead is placed under the paper, also.
When a gray ash remains, add 4. 5 to 5 grams of lead, transfer to the hottest muffle, melt down quickly, bring forward and finish in a single row at a low heat. At the same time, another set is being charred in the cooler muffle.
What to read after The Analysis of Copper And Its Ores And Alloys?
You can find similar books in the "Read Also" column, or choose other free books by George Lincoln Heath to read onlineMoreLess
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