PHOTOVOLT DENSITOMETRY EQUIPMENT
New building-block sys tem permits adding of units as required, from manual and semi-auto matic operation to fullyautomatic recording and integrating
for ELECTROPHORESIS and CHROMATOGRAPHY
• For scanning of electro phoresis strips and readings on large sheets in chroma tography • For work in visible and ultraviolet ranges • For evaluation by colortransmission, reflection or fluorescence • For readings on filter pa per, agar, starch and other gels Write for Bulletin 800-S to:
PHOTOVOLT CORPORATION 95 Madison Avenue
·
New York 16, Ν. Υ. Circle No. 204 on Readers' Service Card
PHOTOVOLT LINE-OPERATED MULTIPLIER
FLUORESCENCE METER model 5 4 0
• • • • • •
High sensitivity... full scale for 0.001 microgram quinine sulphate Micro-fluorimetry... liquid volumes down to 1 ml Low blank readings... linear instrument response High sensitivity nephelometry... minute turbidities Fluorescence evaluation of powders, pastes, and solids: also for spot-tests on filter paper without elution Selection of filters, interference filters, and sample holders
LINEAR/LOG
RECORDER A versatile Linear-Log Servo-Recorder for general laboratory use
VARICORD 43
$725
• •
Multi-range, potential and current recorder. Choice of per cent transmission or absorbance indication in spectrophotometry. • For gas chromatography by conductivity or ionization. ' • True potentiometric input. • 1 second pen speed —10 millivolt full scale sensitivity. • Output connector for integrating and telemetering. Write far BuUetin «1130
W r i t e f o r Bulletin No. 392 t o :
PHOTOVOLT CORP. · N e w York 16, Ν . Υ.
PHOTOVOLT CORP.
Also: pH Meters, C o l o r i m e t e r s ,
35
95 Madison A v e n u e
Densitometers
Circle No. 203 on Readers' Service Card
MADISON
AVENUE
•
N E W YORK
1 6 , Ν. Υ.
Also available: Densitometers • Photometers • Fluorescence Meters • pH Meters Circle No. 206 on Readers' Service Card