Chemical News and Journal of Industrial Science, Tomy 123-124Chemical news office., 1921 |
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Strona 15
... cent in quantity , and nearly 40 per cent in value from the output of 1919 The quantity produced , however , was greater than in any year before 1918. The average price per pound received by the producers rose from 13 cents in 1910 to ...
... cent in quantity , and nearly 40 per cent in value from the output of 1919 The quantity produced , however , was greater than in any year before 1918. The average price per pound received by the producers rose from 13 cents in 1910 to ...
Strona 16
... cent calcium chloride and 3-5 per cent cupric chloride or 3 per cent hydrochloric acid as described in Specification 151698 or , if there is an appreciable quantity of lead , the o.e is first treated with hot brine containing ...
... cent calcium chloride and 3-5 per cent cupric chloride or 3 per cent hydrochloric acid as described in Specification 151698 or , if there is an appreciable quantity of lead , the o.e is first treated with hot brine containing ...
Strona 21
... cent sodium hydroxide ( 2 mols . ) . To this solution is added a solution of 40 g . of magnesium chloride ( crystals ) in 400 cc . of water , the whole cooled down to o ° and re- duction effected by gradually introducing 130 g . of ...
... cent sodium hydroxide ( 2 mols . ) . To this solution is added a solution of 40 g . of magnesium chloride ( crystals ) in 400 cc . of water , the whole cooled down to o ° and re- duction effected by gradually introducing 130 g . of ...
Strona 22
... cent . Tetra - acetyl - 3,3 ′ , 5,5 ' - tetra - amino - 4,4 ' - dihydroxy- arsenobenzene . - Two g . of diacetyl - 3,5 - diamino - 4- hydroxy - phenylarsinic acid is dissolved in 70 cc . of water by the addition of 4 cc . of 15 per cent ...
... cent . Tetra - acetyl - 3,3 ′ , 5,5 ' - tetra - amino - 4,4 ' - dihydroxy- arsenobenzene . - Two g . of diacetyl - 3,5 - diamino - 4- hydroxy - phenylarsinic acid is dissolved in 70 cc . of water by the addition of 4 cc . of 15 per cent ...
Strona 25
... cent to 65 per cent . In the case of oil fuel the efficiency might be as high as 85 per cent . In addition , there was instantaneous ignition and extinction . The free- dom from sulphur in the gases formed by com- bustion was an ...
... cent to 65 per cent . In the case of oil fuel the efficiency might be as high as 85 per cent . In addition , there was instantaneous ignition and extinction . The free- dom from sulphur in the gases formed by com- bustion was an ...
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