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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 CIRCLE 231 ON READER SERVICE CARD 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. Ontario NOP 1 AO CIRCLE 36 ON READER SERVICE CARD CIRCLE 24 ON READER SERVICE CARD 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.- »ipw9ft&9K.4V br Instrument Corp. Main office and laboratories Chrompack P.Ο box 3 4330 AA Middelburq. The Netherlands. Tel 01180-11251 - Telex 55352-37852 Chrompack Belgium. Tel 031-462133 Chrompack France. Tel 1907 3652 chrom nl. Subsidiaries Chrompack U.K.. Tel 01-6773722 Chrompack Deutschland. Tel 030-213363 •HvvWy.vI %ΛΛ0 ΜΛ^,^^F-%w,r.%M..

THINKING SERIOUSLY ABOUT LIGHT SCATTERING?

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Page 1: 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

CIRCLE 231 ON READER SERVICE CARD

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

CIRCLE 36 ON READER SERVICE CARD CIRCLE 24 ON READER SERVICE CARD

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

• H v v W y . v I %ΛΛ0 ΜΛ^,^^F-%w,r.%M..