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Lithium M e t a b o r a t e L1BO2 Anhydrous*
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Fatter fusions a t lower t e m p e r a t u r e s . Less d a m a g e t o platinumware. Lower blanks. Easier dissolution after t h e fusion. Photometric and titrimetric measurements may b e m a d e directly on t h e dissolved fusions. •It is imperative that ANHYDROUS LiBOi be used for fusions to prevent expansion when heated!
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A t last, t h e a n s w e r t o l e a k a g e a n d s a m p l e con t a m i n a t i o n in t h e h a n d l i n g a n d distillation of non-polar solvents. L a M o n t HydrocarDon R e s i s t a n t S t o p c o c k G r e a s e is especially suited in contact with aromatic, aliphatics, ethers a n d o t h e r non-polar s o l v e n t s . W r i t e for d e t a i l s . LaMont L a b o r a t o r i e s , P . O . B o x 30632, D a l l a s , T e x a s 75230. ( 2 1 4 ) 235-4463
Allyl Thiourea · A m m o n i u m P y r r o l i d i n e d i t h i o c a r b a m a t e · A m y g d a l i n A n i l i n e P h o s p h a t e & Sulfate · η-Butyl B r o m i d e · B u t y l a c e t a n i l i d e Diacetyl M o n o x i m e · 1 , 2 - D i e t h o x y e t h a n e · H o m o v e r a t r y l a m i n e Iminodiacetic A c i d D i s o d i u m Salt · Inulin · a-Ketoglutaric A c i d N - M e t h y l f o r m a m i d e · M e t h y l - p - T o l u e n e s u l f o n a t e · M a l t o s e · Morin n-Octyl-n-Butyrate · P h e n y l B u t a z o n e · P h e n y l t h i o u r e a · R h o d a n i n e S o d i u m : Butyrate, D i t h i o n a t e , Hippurate, P y r u v a t e , R h o d i z o n a t e Tetrahydropyran · T e t r a i o d o e t h y l e n e · a-Tetralone · Urea Nitrate Write for list K-69 of other chemicals Tel: 201 696-1700
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ANALYTICAL CHEMISTRY, VOL. 42, NO. 8, JULY 1970
