Chemical News and Journal of Physical Science, Tom 83Chemical news office., 1901 |
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Strona 26
... distilled water , then with alcohol and dry . Roll up into a small size , and introduce into a small glass tube about three inches long , and heat the gauze with a very small flame whilst holding the tube in a horizontal position ...
... distilled water , then with alcohol and dry . Roll up into a small size , and introduce into a small glass tube about three inches long , and heat the gauze with a very small flame whilst holding the tube in a horizontal position ...
Strona 61
... distilled HCl ( sp . gr . 1'16 ) , and distil into 150 c.c. distilled H2O until delivery tube is too hot to bear the hand ; then change receiver for beaker containing 50 c.c. distilled H2O , and continue distillation for five minutes ...
... distilled HCl ( sp . gr . 1'16 ) , and distil into 150 c.c. distilled H2O until delivery tube is too hot to bear the hand ; then change receiver for beaker containing 50 c.c. distilled H2O , and continue distillation for five minutes ...
Strona 75
... distilled nearly to dryness , and the distillate returned and again distilled . The second or third distillate usually showed freedom from peroxide when tested with chromic acid ; if not , distillation was repeated . One - tenth of the ...
... distilled nearly to dryness , and the distillate returned and again distilled . The second or third distillate usually showed freedom from peroxide when tested with chromic acid ; if not , distillation was repeated . One - tenth of the ...
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