THINKING SERIOUSLY ABOUT LIGHT SCATTERING?

• 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.

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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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