120 Scientific Intelligence, 
orange yel 
silicic acid colored brown by amorphous silicium. Heated out of contact 
=a 
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S 
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possibly Si, H,0, 9. _ Compounds containing sulphur, selenium and tellu- 
rium were also obtained, but only imperfectly examined. The sulpbut 
compound explodes violently when heated in a tube.—Ann. der Chemie 
und Pharm., exxvii, 257. We 
