Chemical News and Journal of Physical Science, Tom 100Chemical news office., 1909 |
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Strona 1
... Preparation of the Solutions . 1. Aqua regia . - Three parts hydrochloric acid , specific gravity 112 ; one part nitric acid ... prepared simi- larly . Under the same conditions ruthenium yields com- pounds Ru2P5Cl19 and Ru2P5Br19 . With ...
... Preparation of the Solutions . 1. Aqua regia . - Three parts hydrochloric acid , specific gravity 112 ; one part nitric acid ... prepared simi- larly . Under the same conditions ruthenium yields com- pounds Ru2P5Cl19 and Ru2P5Br19 . With ...
Strona 4
... prepared pure by heating for some hours between 50 ° and 60 ° on a return condenser malonic ester , which boiled between limits of two - tenths of a degree with water in the presence of a few drops of nitric acid . The volume was then ...
... prepared pure by heating for some hours between 50 ° and 60 ° on a return condenser malonic ester , which boiled between limits of two - tenths of a degree with water in the presence of a few drops of nitric acid . The volume was then ...
Strona 12
... preparing typical compounds are described with full experimental details , as well as a certain amount of analytical work ... prepared , and from it the new acid CO2H - C = C - CH2 - CH2 - C = C — CO2H . This is totally transformed into ...
... preparing typical compounds are described with full experimental details , as well as a certain amount of analytical work ... prepared , and from it the new acid CO2H - C = C - CH2 - CH2 - C = C — CO2H . This is totally transformed into ...
Strona 15
... prepare the silicon sulphide in greater purity by distilling the product in vacuo , but up to 1100 ° C. no volatilisation ... prepared by leading CO2 into the peroxide hydrate . These are very hygroscopic sub- stances which readily lose ...
... prepare the silicon sulphide in greater purity by distilling the product in vacuo , but up to 1100 ° C. no volatilisation ... prepared by leading CO2 into the peroxide hydrate . These are very hygroscopic sub- stances which readily lose ...
Strona 20
... prepared by the Macfadyen process , the rabbits were inoculated subcutaneously , and the speci- mens for counting the number of bacteria ingested by Human leucocytes were prepared in the usual manner . leucocytes were employed and the ...
... prepared by the Macfadyen process , the rabbits were inoculated subcutaneously , and the speci- mens for counting the number of bacteria ingested by Human leucocytes were prepared in the usual manner . leucocytes were employed and the ...
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