236 CHEMICAL GERMAN 



Schrittweise, step by step. 



schiitzen t., to protect 



schwachen, t., to weaken. 



Schwaden, m., vapor; choke damp. 



Schwarzblech, n ., black sheet iron as distinguished from tinned iron. 



schwarzer Flufi, black flux (assaying). 



Schwefel, m ., sulphur. 



Schwefelather, m., sulphuric ether (almost obs.). 



Schwefelblumen, p\. t flowers of sulphur. 



Schwefelichtesaure, an obsolete expression for Schwefligesaure. 



Schwefelkohlenstoff, m ., carbon disulphide. 



Schwefelleber, f. t liver of sulphur, yellow sulphide of potassium (obs.). 



Schwefelsaure, /., sulphuric acid. 



schwefelsaures Gas, obsolete expression for schwefeliges Saureanhydrid. 



Schwefelverbindung, /., -en, sulphur compound. 



Schwefelwasserstoff, m., hydrogen sulphide. 



schweflige Saurc, sulphurous acid. 



schweinfurter Griin, Paris green. 

 ^Schweiss, m., perspiration. 



schweiBen, t., to weld. 



SchweiBofen, m., -ofen, heating furnace (metallurgy). 



Schwererde, /., baryta, barium oxide (obs.). 



schwerloslich, soluble with difficulty. 



Segerkegel, m., -, Seger cone; a small cone of burnt clay which, by its 

 greater or less resistance to softening, permits of an approximate esti- 

 mate of a furnace temperature. 



Seife, /., -n, soap. 



seigern, t., to separate by liquation (metallurgy). 



Seignettesalz, n . f Rochelle salt, potassium sodium tartrate. 



Seitenkette, /., -n, side chain (chemistry of benzene). 



seither, since, then. 



selbstentziindlich, spontaneously inflammable, 

 selbsttatig, ) 

 cselbstwirkend, J self-acting, automatic. 



selbstverstandlich, as a matter of course; obviously. 

 Selen, n., selenium. 

 Senkwage, m., hydrometer, 

 sicher, certain. 



Sicherheit, /., safety ; certainty. 

 sichten, t., to sift. 

 Sieb, m., -e, sieve. 

 sieben, t., to sift. 

 > sieden, t. and i., to boil. 



