For HPLC
PRODUCTS FOR AGRICULTURAL TESTING *•»».%, rest» «ΛΝΤ Twsiir. WAVtRaMliMK.
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FREE-From Hach Open our all new 8 page catalog and open up a world of simplified, low-cost testing procedures! Here is a sample of what you'll find inside:
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bj BURDICK & JACKSON LABORATORIES, INC.
Hach C o m p a n y Box 389 Loveland, C O 80537
HACH
1 953 SOUTH HARVEY STREET · MUSKEGON, MICHIGAN 49442
Look for us at ExpoChem ' 8 1 , Booth 56, at the Shamrock Hilton in Houston, Sept. 1-3. CIRCLE 100 ON READER SERVICE CARD
MICRO COMBINATION pH ELECTRODES
CIRCLE 29 ON READER SERVICE CARD
24-HOUR DELIVERY/LOW PRICES
HOLLOW CATHODE LAMPS • Highest Detectivity • Highest Linearity
9360 9362 The 9360 a n d 9362 C o m b i n a t i o n pH Electrodes a r e i n t e n d e d for a p p l i c a t i o n s r e q u i r i n g a t h i n b o d i e d electrode.These electrodes allow easy a c c e s s to very s m a l l s a m p l i n g a r e a s s u c h as s m a l l test tubes, NMR t u b e s a n d s e m i - m i c r o cuvettes. FEATURES • Only 3.5mm diameter · Glass Body • Fast Response · Calomel Reference • Compatible with TRIS Buffers SPECIFICATIONS • pH Range 0-14 · Temperature Range —5-80°C M o d e l 9 3 6 0 3.5mm diameter χ 265mm overall length. 3.5mm section 180mm length. $ 1 1 5 . ° ° Model 9 3 6 2 3.5mm diameter χ 140mm overall length 3.5mm section 55mm length. $ 1 0 0 . ° °
BROADLEY-JAMES CORPORATION 1714 S o u t h Lyon Street, Santa Ana, California 92705 (714) 547-8061 · Telex 182 703 Distributors
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DEUTERIUM LAMPS • Highly Stable in AA instruments and UV Spectrophotometers WRITE FOR OUR PRICE LIST/DATA SHEET DESCRIBING OVER 50 HOLLOW CATHODE LAMPS AND 8 DEUTERIUM LAMPS.
HAMAMATSU
HAMAMATSU CORPORATION · 420 SOUTH AVENUE MIDDLESEX, NEW JERSEY 08846 · PHONE: 201/469-6640 Ï International Offices in Major Countries of Europe and Asia.
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ANALYTICAL CHEMISTRY, VOL. 54, NO. 1, JANUARY 1982 · 29 A
