 If a piece be then well washed in pure warm water, and afterwards boiled in a decoction of logwood, the ground will be dyed either of a slate or black colour, according to the strength of the metallic solution, while the printed figures will remain beautifully...  The Philosophy of Experimental Chemistry - الصفحة 203بواسطة James Cutbush - 1813 - عدد الصفحات: 694عرض كامل - لمحة عن هذا الكتاب
 | Samuel Parkes - 1814 - عدد الصفحات: 584
...imprint any figures upon it with a strong solution of colourless citric acid, and allow this also to dry. If the piece be then well washed in pure warm water,...slate or black colour, according to the strength of ilie metallic solution, while the printed figures will remain beautifully while. This experiment is... | |
 | Samuel Parkes - 1816 - عدد الصفحات: 584
...imprint any figures upon it with a strong solution of colourless citric acid, and allow this al=o to dry. If the piece be then well washed in pure warm water,...experiment is designed to show the EFFECT OF ACIDS in D1SCHARGLNG VEGETABLE COLOURS. See p. 199. 97. If lemon juice be dropped upon any kind of buff colour,... | |
 | Samuel Parkes - 1818 - عدد الصفحات: 616
...imprint any figures upon it with a strong solution of colourless critic acid, and allow this also to dry. If the piece be then well washed in pure warm water,...EFFECT OF ACIDS in DISCHARGING VEGETABLE COLOURS. Sec page' 187. 96. If lemon juice be dropped upon any kind of buff colour, the dye will be instantly... | |
 | Hugo Reid - 1837 - عدد الصفحات: 402
...any figures upon it with a strong solution of colourless citric acid, and allow thisalso to dry. If a piece be then well washed in pure warm water, and...effect of acids in discharging vegetable colours. 97. If lemon juice be dropped upon any kind of buff colour, the dye will be instantly discharged. The... | |
 | Practical chemist - 1844 - عدد الصفحات: 374
...imprint any figures upon it with a strong solution of colourless citric acid, and allow this also to dry. If the piece be then well washed in pure warm water,...decoction of logwood, the ground will be dyed either a slate or black colour, according to the strength of the metallic solution, while the printed figures... | |
 | Samuel Parkes - 1854 - عدد الصفحات: 232
...figures upon it with a strong solution of colourless citric acid, and allow this also to dry. If a piece be then well washed in pure warm water, and...effect of acids in discharging vegetable colours. 97. If lemon juice be dropped upon any kind of buff colour, the dye will be instantly discharged. The... | |
 | Alvin Wood Chase - 1920 - عدد الصفحات: 616
...imprint any figures upon it with a cold solution of colorless Citric Acid and allow this also to dry. If the piece be then well washed in pure warm water...decoction of Logwood the ground will be dyed either a slate or black color, according to the strength of the metallic solution, while the printed figures... | |
 | 1837 - عدد الصفحات: 756
...strong solution of colourle&e citric acid, and let this dry also. If the piece be then wt-11 washed in warm water, and afterwards boiled in a decoction of logwood, the ground will be dried cither a slate or black colour, according to the strength of the metallic solution, while printed... | |
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