Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3750Chemical news office., 1932 |
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Strona 130
... Boyle distilled Oil of Aniseed 36 times and notes that it did not distil like a homogeneous body . Distillation was tried by the al- chemists upon most vegetable substances and even fractional distillation was known , while salt was by ...
... Boyle distilled Oil of Aniseed 36 times and notes that it did not distil like a homogeneous body . Distillation was tried by the al- chemists upon most vegetable substances and even fractional distillation was known , while salt was by ...
Strona 131
... Boyle detected silver by its white pre- cipitate with marine acid , and Marggraf had determined with considerable accuracy the amount of silver chloride precipitated by the addition of salt solution to a known weight of a silver ...
... Boyle detected silver by its white pre- cipitate with marine acid , and Marggraf had determined with considerable accuracy the amount of silver chloride precipitated by the addition of salt solution to a known weight of a silver ...
Strona 133
... ( Boyle ) . 5. Turmeric ( for ammonia , due to Bergman , though turmeric was known as an indicator even to Boyle ) . 6. Bleaching effects . 7. Glowing splint ( Priestley , Scheele and Lavoisier ) . We should then try to get the substance ...
... ( Boyle ) . 5. Turmeric ( for ammonia , due to Bergman , though turmeric was known as an indicator even to Boyle ) . 6. Bleaching effects . 7. Glowing splint ( Priestley , Scheele and Lavoisier ) . We should then try to get the substance ...
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