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Strona 50
279 ) , it has been shown that sulphur dioxide acts as an oxidising agent if
passed over heated calcium carbonate , giving the sulphate and sulphur . It was
also shown that this fact had an important bearing on the problem of sulphur
deposits .
279 ) , it has been shown that sulphur dioxide acts as an oxidising agent if
passed over heated calcium carbonate , giving the sulphate and sulphur . It was
also shown that this fact had an important bearing on the problem of sulphur
deposits .
Strona 51
Estimation of sulphate as barium sulphate . Mean 33 . 8 per cent . No reliable
results were obtained by estimation of increase in weight as on fusion it was
found that the mass of salt swelled up and some of the substance was invariably
lost .
Estimation of sulphate as barium sulphate . Mean 33 . 8 per cent . No reliable
results were obtained by estimation of increase in weight as on fusion it was
found that the mass of salt swelled up and some of the substance was invariably
lost .
Strona 56
The calcium salts appear an ethereal sulphate depended on the fact to be
present partly as calcium sulphate and that the percentage of sulphate contained
partly in organic combination . in the hydrolysed solution of the hot extract Haas ...
The calcium salts appear an ethereal sulphate depended on the fact to be
present partly as calcium sulphate and that the percentage of sulphate contained
partly in organic combination . in the hydrolysed solution of the hot extract Haas ...
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