• MONOPHOTOMETER (Single Detector)
• DUOPHOTOMETER (Two Detectors)
• DIFFERENTIAL REFRACTOMETERS
• ABSOLUTE CALIBRATION
AVAILABLE WITH MULTIPLE LIGHT SOURCES, CONSTANT TEMPERATURE SYSTEM, AUTOMATIC SCANNING, MANY ACCESSORIES.
Call (215) 968-4268 or send tor literature and prices
Newtown Industrial Commons Route 332 • Newtown, Pa. 18940
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NEW IMPROVED HPLC FITTINGS
Don't throw away your used
with B/R stills
φ Inverted fittings φ Less dead volume # Thinner frits,
improved peak shape Φ Standard available on
all columns φ No price increase
chromatography specialists
Chrompack U.S.Α., Tel (213) 723 2215.(714)522 2934 Chrompack Canada. RR 2 Blenheim. Ontar io NOP 1 A O
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ANALYTICAL CHEMISTRY, VOL. 52, NO. 9, AUGUST 1980 · 1053 A
chrompack
C.N. WOOD MFG. CO.
piHj
THINKING SERIOUSLY ABOUT LIGHT SCATTERING?
.Any reagent that can be distilled can be recovered with HPLC grade efficiency, with a money-sailing B/R distillation system. B/R spinning band distillation equipment is available in a wide
B/R Mode! 40T 30-plate Still with one to 12 liter pot capacity and
holdup afmly0.1m and ̂ 0 ml ti' · rrn.- » i p w 9 f t & 9 K . 4 V
br Instrument Corp.
Main off ice and laborator ies Chrompack P.Ο box 3 4330 AA Middelburq. The Nether lands. Tel 01180-11251 -
Telex 55352-37852 Chrompack Belgium. Tel 031-462133
Chrompack France. Tel 1907 3652
chrom nl. Subsidiar ies Chrompack U.K.. Tel 01-6773722
Chrompack Deutschland. Tel 030-213363
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