 | 1941 - 1688 страница
...Centigrade, covering the dish with a tight-fitting cover, cooling it in a desiccator, and promptly weighing. 80 percent alcohol (by volume) until the washings are clear and colorless. Transfer the filter paper... | |
 | 1964 - 1242 страница
...Pit a Buchner funnel with a previously prepared filter paper of such size that its edges extend '/2 inch or more up the vertical sides of the funnel....the washings are clear and colorless. Transfer the fllter paper with the material retained thereon to the dish used in preparing the fllter paper. Dry... | |
 | 1971 - 748 страница
...vertical sides of the funnel. The previous preparation of the filter paper consists of drying it hi a flat-bottomed dish for 2 hours at 100* C., covering...of the paper. Wash the material on the filter with 80 -percent alcohol (by volume) until the washings are clear and colorless. Transfer the filter paper... | |
 | 1972 - 488 страница
...Centigrade, covering the dish with a tight-fitting cover, cooling it in a desiccator, and promptly weighing. After the filter paper is fitted to the funnel, apply...of the paper. Wash the material on the filter with 80 percent alcohol (by volume) until the washings are clear and colorless. Transfer the filter paper... | |
 | 2001 - 628 страница
...with a tight fitting cover, cooling it in a desiccator, and promptly weighing to the nearest 0.001 g. After the filter paper is fitted to the funnel, apply...of the paper. Wash the material on the filter with 80 percent alcohol (by volume) until the washings are clear and colorless. Transfer the filter paper... | |
 | 1965 - 1520 страница
...cooling it in a desiccator, and promptly weighing to the nearest 0.001 gram. After the filter paper L< fitted to the funnel, apply suction and transfer the...over the edge of the paper. Wash the material on the filtei with 80-percent alcohol (by volume) until the washings are clear and colorless. Transfer the... | |
 | 1963 - 1386 страница
...Pit a Buchner funnel with a previously prepared filter paper of such size that its edges extend Vz inch or more up the vertical sides of the funnel....material on the filter with 80-percent alcohol (by volumei until the washings are clear and colorless. Transfer the filter paper with the material retained... | |
 | 1949 - 320 страница
...Centigrade, covering the dish with a tight-fitting cover, cooling it in a desiccator, and promptly weighing. After the filter paper is fitted to the funnel, apply...of the paper. Wash the material on the filter with 80 percent alcohol (by volume) until the washings are clear and colorless. Transfer the filter paper... | |
 | Y. H. Hui, Sue Ghazala, Dee M. Graham, K.D. Murrell, Wai-Kit Nip - 2003 - 766 страница
...cooling it in a desiccator. and promptly weighing to the nearest 0.001 g. After the filter paper is fined to the funnel. apply suction and transfer the contents...of the paper. Wash the material on the filter with 80 percent alcobol (by volume) until the washings are clear and colorless. Transfer the filter paper... | |
 | 1972 - 496 страница
...Centigrade, covering the dish with a tight-fitting cover, cooling it in a desiccator, and promptly weighing. After the filter paper is fitted to the funnel, apply...of the paper. Wash the material on the filter with 80 percent alcohol (by volume) until the washings are clear and colorless. Transfer the filter paper... | |
| |
Wash the material on the filter with 80 percent alcohol (by volume) until the washings are clear and colorless. Transfer the filter paper with the material retained thereon to the dish used in preparing the filter paper. Dry the material in a ventilated... 
