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Coleman Nepho-Colorimeter for COLORIMETRY • NEPHELOMETRY • TURBIDIMETRY COLORIMETRY —A precision filter colorimeter with α bal anced filter selection. Accepts a wide range of cuvette sizes. Direct-deflection or potentiometric measurement of Transmittance or Optical Density.
measurement and expression of Haze, in numerical terms. TURBIDIMETRY — Highly precise transmission measurements of turbid solutions by either white or colored light. The NEPHO-COLORIMETER is a tri-purpose instrument par ticularly useful in bacteriological and clinical laboratories, for water analysis and for food, beverage, pharmaceutical and industrial control laboratory procedures.
NEPHELOMETRY—An incredibly sensitive instrument for the measurement and evaluation of Haze in liquids by dispersed (Tyndall) light. Combined with permanent Cole man Nephelos Standards it permits absolutely reproducible
W r i t e today for full details. Ask for Bulletin AB-215.
Coleman Photo-Nephelometer
(MODEL 7)
For laboratories already equipped for spectrochemistry or colorimetry, and control or routine work where a simpler instrument will suffice. The Photo-Nephelometer is identical in precision and capability to the Nephelos range of the NephoColorimeter.
Write for Bulletin AB-215 for full information.
COLEMAN INSTRUMENTS 300
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CHEMISTS SPECTROPHOTOMETERS -
ILLlNOIS
PHOTO-NEPHEIOMETERS • ANOXIA PHOTOMETERS
