| 单词 | potash alum |
| 例句 | This was the common potash alum and uncombined with any carbonated alkali, and it passed into the stomach unchanged. Scientific American, Vol. XXXIX.?No. 24. [New Series.], December 14, 1878 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:31.783Z Common alum is strictly potash alum; other two varieties are soda alum and ammonia alum, both similar in properties. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide For example, episomorphs of white potash alum and violet chrome alum, of white magnesium sulphate and green nickel sulphate, and of many other pairs of salts, have been obtained. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Portions of the gum solutions were mixed with small quantities of menthol, thymol, salol, and saccharin in alkaline solution, also with boric acid, sodium phosphate, and potash alum in aqueous solution. Scientific American Supplement, No. 821, September 26, 1891 It is quite a matter of indifference to the photographer whether he uses potash alum or ammonia alum. Scientific American Supplement, No. 401, September 8, 1883 |
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