boron in soil! Coleman Flame Photometer speeds routine analysis of alkali metals Measure b o r o n d o w n t o 10 M i n s o i l , w a t e r , a n d p l a n t tissue e x t r a c t s , w i t h o u t d i s t i l l a t i o n ! B o r o n is c o n v e r t e d t o f l u o b o r a t e b y a r a p i d , s i m p l e i o n - e x c h a n g e m e t h o d d e v e l o p e d b y R. C a r l s o n ( A n a l , C h e m . , J u l y , 1 9 6 8 ) , t h e n d e t e r m i n e d w i t h t h e n e w I O N A L Y Z E R ® F l u o b o r a t e I o n E l e c t r o d e . T h e r e a d - o u t i n s t r u m e n t is O r i o n ' s p o r t a b l e d i r e c t - r e a d i n g specific i o n meter. A n o t h e r example of t h e new t e c h n o l o g y f o r chemical measurement — from Orion. O r i o n Research I n c o r p o r a t e d
·
11 Blackstone Street
· C a m b r i d g e , Massachusetts 0 2 1 3 9
New speed and convenience in analy sis of alkali metals using the simple, dependable Coleman Flame Photo meter! Sodium, potassium, calcium, lithium, magnesium . . . up to 1000 analyses per day—completed by a single operator.
Circle No. 55 on Readers' Service Card
FIRST C L A S S Permit No. 1538 New York, Ν. Υ.
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POSTAGE WILL BE PAID BY
ANALYTICAL CHEMISTRY
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430 Park Avenue
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