Chemical News and Journal of Industrial Science, Tomy 131-132Chemical news office., 1925 |
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Strona 1
... prepare con- siderable quantities of it . A search of the literature disclosed that alkyl lead com- pounds had been prepared by two general methods : - 1. The action of lead chloride on zine liethyl or on magnesium ethyl iodide . For ...
... prepare con- siderable quantities of it . A search of the literature disclosed that alkyl lead com- pounds had been prepared by two general methods : - 1. The action of lead chloride on zine liethyl or on magnesium ethyl iodide . For ...
Strona 14
... prepared to meet the re- quirements of surveyors , and may be con- fidentially expected to take up a leading ... preparation which polishes and removes stains from furniture , cleans and polishes leather and imitation leather upholstery ...
... prepared to meet the re- quirements of surveyors , and may be con- fidentially expected to take up a leading ... preparation which polishes and removes stains from furniture , cleans and polishes leather and imitation leather upholstery ...
Strona 20
... preparing hystazarin and to its extremely small solubility in most organic solvents . It is easily soluble in pyridine only , with which , however , according to Pfeiffer ( Annalen CCCXCVIII . 149 ) . it JULY 10 ... prepared JULY 10 , 1925 .
... preparing hystazarin and to its extremely small solubility in most organic solvents . It is easily soluble in pyridine only , with which , however , according to Pfeiffer ( Annalen CCCXCVIII . 149 ) . it JULY 10 ... prepared JULY 10 , 1925 .
Strona 21
... prepared forms a salt . to Liebermann's aystazarin according method ( Liebermann and Schöller , Ber . , XXI . 2503 ... preparing hystazarin since , in comparison , the patented method D.R.P. No. 298345 ) , only yielded a trace of the ...
... prepared forms a salt . to Liebermann's aystazarin according method ( Liebermann and Schöller , Ber . , XXI . 2503 ... preparing hystazarin since , in comparison , the patented method D.R.P. No. 298345 ) , only yielded a trace of the ...
Strona 31
... prepared for " The Chemical News , " by Messrs . Rayner and Co. , Regd . Patent and Trade Mark Agents , of 5 ... prepared for use in Medicine and Pharm- acy - Dae Health Laboratories , Ltd .. 68 , Bolsover Street , London , W.I. June ...
... prepared for " The Chemical News , " by Messrs . Rayner and Co. , Regd . Patent and Trade Mark Agents , of 5 ... prepared for use in Medicine and Pharm- acy - Dae Health Laboratories , Ltd .. 68 , Bolsover Street , London , W.I. June ...
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