 | Luke Herbert - 1828 - 396 pàgines
...white. Of this acid bleaching liquor, small quantities at a time are to be added to the half bleached lac solution, allowing the effervescence which takes...fresh portion is poured in. This is to be continued until the lac, now white, separates from the liquor. The supernatant fluid is now to be poured away,... | |
 | Luke Hebert - 1835 - 938 pàgines
...white. Of this acid bleaching liquor, small quantities at a time are to be added to the half bleached lac solution, allowing the effervescence, which takes...fresh portion is poured in. This is to be continued until the lac, now white, separates from the liquor. The supernatant fluid is now to be poured away,... | |
 | Luke Hebert - 1836 - 942 pàgines
...place on each addition, to cease before a fresh portion is poured in. This is to be continued until the lac, now white, separates from the liquor. The...and finally wrung as dry as possible in a cloth. The lue obtained in the foregoing process is to be dissolved in a pint of alcohol, more or less, according... | |
 | 1864 - 348 pàgines
...place on each addition to cease before a fresh portion is poured in. This is to be continued until the lac, now white, separates from the liquor. The supernatant fluid is now to be poured away, the lac well washed in repeated waters, and finally wrung as dry as possible in a cloth. The lac obtained... | |
 | John Geddes M'Intosh - 1911 - 540 pàgines
...this acid bleaching liquor small quantities at a time are to be added to the half-bleached shellac solution, allowing the, effervescence, which takes...fresh portion is poured in. This is to be continued until the lac, now white, separates from the liquor. The supernatant fluid is now to be poured away,... | |
 | 1865 - 786 pàgines
...white. Of this acid bleaching liquor smnll quantities at a timo are to be added to the hnlf-bleached lac solution, allowing the effervescence which takes...fresh portion is poured in. This is to be continued until the lac, now white, separates from the liquor. The supernatant fluid is now to be poured away,... | |
 | Luke Hebert - 1828 - 390 pàgines
...white. Of this acid bleaching liquor, small quantities at a time are to be added to the half bleached lac solution, allowing the effervescence which takes...fresh portion is poured in. This is to be continued unti.l the lac, now white, separates from the liquor. The supernatant fluid is now to be poured away,... | |
 | Franklin Institute (Philadelphia, Pa.) - 1864 - 526 pàgines
...place on each addition to cease before a fresh portion is poured in. This is to be continued until the lac now white separates from the liquor. The supernatant fluid is now to be poured away, the lac well washed in repeated waters, and finally wrung as dry as possible in a cloth. The lac obtained... | |
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This is to be continued till the lac, now white, separates from the liquor. The supernatant fluid is now to be poured away, and the lac is to be well washed in repeated waters, and finally wrung as dry as possible in a cloth. The lac obtained... 