Chemical News and Journal of Industrial Science, Tomy 127-128Chemical news office., 1923 |
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Strona 2
... sulphuric acid fol- lowing Claus ' directions , and sodium salts of mono- and di - sulphonic acids were separated by aid of their solubility in alco- hol solution , and di - sulphonic acid salt was analysed ; Ba = 31.32 ( C ,, H120 , S ...
... sulphuric acid fol- lowing Claus ' directions , and sodium salts of mono- and di - sulphonic acids were separated by aid of their solubility in alco- hol solution , and di - sulphonic acid salt was analysed ; Ba = 31.32 ( C ,, H120 , S ...
Strona 4
... sulphuric acid . acids , it gave a fine pink colouration . Beam's test was negative with madar juice . In two cases of suspected madar poisoning a bitterish resin we were able to extract from viscera which proved fatal to a frog The ...
... sulphuric acid . acids , it gave a fine pink colouration . Beam's test was negative with madar juice . In two cases of suspected madar poisoning a bitterish resin we were able to extract from viscera which proved fatal to a frog The ...
Strona 6
... sulphuric acid . acids , it gave fine pink colouration . Beam's test was negative with madar juice . In two cases of suspected madar poisoning we were able to extract a bitterish resin from viscera which proved fatal to a frog The cases ...
... sulphuric acid . acids , it gave fine pink colouration . Beam's test was negative with madar juice . In two cases of suspected madar poisoning we were able to extract a bitterish resin from viscera which proved fatal to a frog The cases ...
Strona 28
... sulphuric acid and ammonia or soda , the lightest distillates being treated with about 5 per cent . by volume of the concen- trated acid and the intermediate distillates with about 1.5 per cent . The treatments with acid and with alkali ...
... sulphuric acid and ammonia or soda , the lightest distillates being treated with about 5 per cent . by volume of the concen- trated acid and the intermediate distillates with about 1.5 per cent . The treatments with acid and with alkali ...
Strona 29
... sulphuric acid and of alkali , then cooled by passing through a tubular cooler , when the paraffin crystal- lises out and is separated from the oil by means of filter presses . Both the lubricat- ing oil and paraffin are further refined ...
... sulphuric acid and of alkali , then cooled by passing through a tubular cooler , when the paraffin crystal- lises out and is separated from the oil by means of filter presses . Both the lubricat- ing oil and paraffin are further refined ...
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