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Water in Solvents

From Guided Wave, Inc.
 

 

The measurement of low levels of water in hydrocarbon solvents is critical to many chemical processes. This note discusses the measurement of the water concentration in using fiber optic-based, Near-Infrared (NIR) spectroscopy. NIR can be applied in real time mode for continuous process monitoring, or as a laboratory procedure. In either case the NIR technique saves time and money through rapid non-destructive analysis. NIR also offers the benefit of increased safety over traditional methods.

Product Announcements
Polytec, Inc. - NIR Spectroscopy for Process Control
Near Infrared (NIR) spectroscopy is used for fast, reliable, and non-destructive measurements that simultaneously control manufacturing processes and product quality, assuring that final product... (read more)
Hamamatsu Corporation USA - NIR PMT Module- Thermoelectrical Cooling System
Bridgewater, New Jersey – October 1, 2007 – Hamamatsu Corporation has introduced a new near-infrared photomultiplier tube (NIR PMT) module with easy handling, low noise, and a... (read more)
Malvern Instruments, Inc. - NIR Analyzer - Spectral Dimensions SyNIRgi ™
The SyNIRgi, a new Near Infrared chemical imaging (NIRCI) product, builds on the highly successful Spectral Dimensions Sapphire/NIRCI-2450 platform. Rugged instrumentation with no moving parts,... (read more)
optek-Danulat, Inc. - Turbidity & Concentration: NIR Absorption Sensor
Medium to High Turbidity, Solids Concentration - NIR Absorption The AF16-N is a single channel NIR absorption sensor. The inline sensor is designed for a variety of demanding industrial processes such... (read more)
Hamamatsu Corporation USA - CCD Image Sensors
Hamamatsu designs and manufactures various types of image sensors that cover a wide range of intensity levels and spectral response ranges. Devices operate from near infrared (NIR) at 2.6 µm, through... (read more)
optek-Danulat, Inc. - Optical Density: Single Channel Absorption Probe.
Ideal for Large Manufacturing Fermentors and Bioreactors The model ASD25-N is a high precision, single channel NIR absorption probe. Stainless steel for use in CIP/SIP processes - pilot or... (read more)
optek-Danulat, Inc. - Turbidity & Optical Density: NIR Absorption Probe
Low to High Turbidity & Optical Density The AS16-N is a high-precision, single channel absorption probe. The stainless steel probe, equipped with an Ingold-style port, is designed for use in... (read more)
Enwave Optronics, Inc. - EZRaman-M
The EZRaman-M Raman systems provide the best performance and quality for academics, research, and developments at a very competitive price. They are easy to use, reliable, and portable for your... (read more)
Topics of Interest
The use of polymeric polyols is commonplace in the manufacturing of polyurethanes and other specialty polymers. The hyroxyl number (OH number) is a measure of the concentration of the hydroxyl groups... (Read More)
Benzene is a naturally occurring compound in crude oil and a very useful chemical solvent and feedstock. Unfortunately, it can be a significant health risk and is therefore environmentally regulated... (Read More)
An important characteristic of a fatty oil product is its iodine value (IV). This is a measure of the unsaturated fatty acid content and indicates the ease of oxidation or the drying capacity of the... (Read More)
The Cetane number of a diesel fuel is a measure of the ignition properties and is an important specification that must be met during fuel production. The traditional laboratory method for Cetane... (Read More)
The aromatic content of gasoline determines many of its combustion properties. Since it also impacts the environmental characteristics of the fuel it is desirable to have accurate measurements of this... (Read More)