Technical Articles

Supplier:

Guided Wave, Inc.


Guided Wave, Inc. has published these technical articles:

(Environmental Sensors)
From this Article:
To determine APHA color on-line for process control or in the lab for product release. Aproach: An Optical Solutions' PS-2-UV/VIS diode array spectrophotometer and HeaterCell™ fiber optic... (View Full Article)
(Environmental Sensors)
From this Article:
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... (View Full Article)
(Environmental Sensors)
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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... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
Purpose: To simultaneously measure caustic (NaOH) and sodium carbonate in aqueous process streams, particularly at low (<2%) caustic concentrations, using a ChemView® NIR photometer and fiber... (View Full Article)
(Environmental Sensors)
From this Article:
Purpose: To measure NaOH concentration in water on-line with the no moving parts ChemView® filter photometer and a fiber optic flow probe for a slip stream. Approach: There are several ways to... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
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... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
Optical Solutions, Inc. has introduced a new option for its Chem-View® process photometers - OutlierDetect™. It provides chemical outlier detection with most multiple linear regression... (View Full Article)
(Environmental Sensors)
From this Article:
Reliable, affordable, real-time identification of petroleum products flowing in pipelines to minimize waste and assist in transitions. Experimental: ClearView™ fiber optic filter photometer.... (View Full Article)
(Environmental Sensors)
From this Article:
Near infrared (NIR) is not commonly associated with on-line analysis of process gasses in comparison to infrared (IR) and the ubiquitous, but maintenance-intensive gas chromatograph (GC). The purpose... (View Full Article)
(Environmental Sensors)
From this Article:
Purpose: To measure epoxy value and starting liquid resin content with the two-probe Simulplex™ ChemView® photometer and fiber optic insertion probes with simple, easy-to-maintain, linear... (View Full Article)
(Environmental Sensors)
From this Article:
To replace a gas chromatograph (GC) by continuously measuring the amount of ethylene glycol in diethylene glycol using a near infrared (NIR) ClearView™ fiber optic filter photometer. Background:... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
To measure hydroxyl and acid numbers on-line in resin melts to determine end-of-reaction across different products with a Clear-View™ or ChemView® photometer and fiber optic probe.... (View Full Article)
(Environmental Sensors)
From this Article:
Under appropriate conditions, near-infrared (NIR) spectroscopy can be used to measure low levels of organics in water. This application note will discuss measuring saccharin to levels below 60 ppm... (View Full Article)
(Spectroscopy)
From this Article:
NIR has been traditionally viewed by spectroscopists trained in laboratory methods as a less-than-useful spectral region that exists to fill the gap between the UV/VIS and IR regions. NIR peaks are... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
Water is perhaps the most common measurement made in the nearinfrared (NIR). This is due to its strong effect on product properties and chemical reactivity of the starting materials. From an... (View Full Article)
(Environmental Sensors)
From this Article:
The Octane number rating of a gasoline is an indication of how the gasoline will perform under various engine conditions. Two different ratings are included: Research Octane Number (RON) and Motor... (View Full Article)
(Environmental Sensors)
From this Article:
To provide continuous monitoring of acetonitrile (ACN):water mobile phase gradients utilized in prep scale reverse phase chromatographic separation of active pharmaceutical ingredients with a NIR... (View Full Article)
(Environmental Sensors)
From this Article:
The use of phosphoric acid solutions is common in the semiconductor industry to both clean and etch metal surfaces. The concentration of the phosphoric acid is important to optimize these processes.... (View Full Article)
(Environmental Sensors)
From this Article:
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... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
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... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
In a competitive semiconductor industry, where high volume and maximum efficiency mean everything, an emerging technology commonly used in the chemical and refining industries may be a suitable... (View Full Article)
(Inspection Tools and Instruments)
From this Article:
Purpose: To measure the concentrations of ethyl acetate (EtOAc- 80-90%), methanol (MeOH - <10%) and water (<10%) for continuous control of a solvent recovery process to reduce distillation time and... (View Full Article)
(Inspection Tools and Instruments)
From this Article:
Purpose: Replace on-line GCs for rapid control of a styrene purification column by measuring styrene at two points using a Simulplex™ ChemView®. Background: The first point is from the... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
Purpose: Measurement of water in a multiple alcohol and brine solution with a ChemView® photometer. Experimental: PS-2E fiber optic diode array NIR spectrometer, 2 m low-OH optical fibers,... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
Challenge: Can quantitative analysis be done with a multiple wavelength filter photometer? Background: The spectra of this 3-component mixture are complex. Initial visual inspection suggests that a... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
Purpose: To determine water content in acetic acid with sample temperature correction. Approach: The PS¬-2 NIR diode array spectrometer was used to measure the near-infrared spectra of 0-15% water in... (View Full Article)
(Environmental Sensors)
From this Article:
Objective: Measure water to better than ±0.01% (wt.) in an aromatic liquid mixture with a Chem- View® photometer. Experimental: Samples were measured in a 5 mm cuvette in our HeaterCell fiber... (View Full Article)
(Inspection Tools and Instruments)
From this Article:
Purpose: To determine water content in ethylene glycol (EG) without sample temperature control. Experimental: Our PS-2E NIR diode array spectrometer was used to measure the NIR spectra of 0 to 6%... (View Full Article)
(Environmental Sensors)
From this Article:
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,... (View Full Article)
(Lab Equipment and Scientific Instruments)
From this Article:
Purpose: To determine water content in a white polymer liquid containing TiO2 using a near-infrared (NIR) Chem-View® photometer and fiber optic reflectance probe. Approach: Samples were mixed... (View Full Article)