Technical Articles

Supplier:

Advanced Sensor Technologies, Inc.


Advanced Sensor Technologies, Inc. has published these technical articles:

(Chemical Sensors)
From this Article:
Over one hundred different compositions available from many different manufacturers None exhibit completely linear pH response in overall pH range specified Maximum available pH range: -2 to 16 pH in... (View Full Article)
(Chemical Sensors)
From this Article:
Ion selective sensors have been used for analytical determination of a wide variety of ions since the 1900??s. Ion selective sensor??s utility and simplicity has replaced other wet analytical methods... (View Full Article)
(Chemical Sensors)
From this Article:
Introduction and Significance of Ion Selective Electrochemistry Overview of Glass, Solid State and Ionophore Based Ion Selective Sensors and Reference Electrodes Characterization of Passive (Ionophore... (View Full Article)
(Chemical Sensors)
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This paper describes the process applications that take place after mining and prior to refining as they relate to pH / ORP, dissolved oxygen and conductivity.The implementation of the proper... (View Full Article)
(Chemical Sensors)
From this Article:
For a number of years, sulfuric acid was used in water treatment facilities to control alkalinity. It's a product that works, but it also has may potential problems. Sulfuric acid can be difficult to... (View Full Article)
(Chemical Sensors)
From this Article:
The Iotron Bromide Electrode may be utilized in analysis of nickel sulfamate bath as an easy means of monitoring the bromide additive. Caution must be exercised in using the electrode in strong... (View Full Article)
(Chemical Sensors)
From this Article:
The following analysis is valid for bromide levels as low as 0.5 ppm. Check the deionized water used in reagent preparation. The specific conductivity should be no greater than 2.0 uSCM-1 (5 Mohms).... (View Full Article)
(Chemical Sensors)
From this Article:
Chloride analysis is one of the most popular procedures involving ion-selective electrodes. Utilizing chloride selective electrodes, the user is assured of a fast, accurate analysis of the sample.... (View Full Article)
(Chemical Sensors)
From this Article:
Equipment: Meter: pH/Millivolt meter. Readability of 1 mV required, 0.1 mV preferred. Specific ion meter will provide direct readout of final answer or concentration factor. Consult manual for... (View Full Article)
(Chemical Sensors)
From this Article:
Stirring: Electrode response is improved if samples and standardizing solutions are stirred at a fixed rate during measurements.... (View Full Article)
(Chemical Sensors)
From this Article:
The following procedure will provide the user with concentration of thiocyanate iions in most water sources. The only limitation is the sample be free of sulfide, mercury, and iodine ions. Sample... (View Full Article)
(Chemical Sensors)
From this Article:
Calcium, when complexed with carbonate, contributes to the total water hardness. Calcium is typically introduced to ground water as it passes over limestone, gypsum, gypsiferrons, shale or dolomite.... (View Full Article)
(Chemical Sensors)
From this Article:
Ionized calcium in skim milk can be measured directly in the normal range (1 mM to 4 mM) utilizing the Iotron Calcium Electrode. Potassium Chloride is added to both standard and sample for consistent... (View Full Article)
(Chemical Sensors)
From this Article:
Originally the hardness of water was defined as the capacity of water for destroying the lather of soap. The hardness was determined by a titration with a standard soap solution. Metal ions including... (View Full Article)
(Chemical Sensors)
From this Article:
The following procedure is provided as a general method for determining fluoride levels in chromic, nitric, hypochloric, perchloric, and other strong acids. The major requirement for sample... (View Full Article)
(Chemical Sensors)
From this Article:
Fluoride in chromium plating baths acts as a catalyst. The following procedure allows direct analysis with no sample distillation necessary.... (View Full Article)
(Chemical Sensors)
From this Article:
Fluoride analysis in water was one of the first widely accepted measurement techniques by ion selective electrodes. By adding buffer solution to the sample, practially all possible interferences are... (View Full Article)
(Chemical Sensors)
From this Article:
The following procedure allows the user to determine free cyanide concentration in water samples. The procedure will not determine cyanide concentrations complexed.... (View Full Article)
(Chemical Sensors)
From this Article:
The following procedure is valid for iodide concentrations as low as 0.5 ppm. Check the deionized water used in reagent preparation. The specific conductivity should be no greater than 0.2 Scm-1.... (View Full Article)
(Chemical Sensors)
From this Article:
The Iotron Nitrate Electrode is a liquid ion exchanger electrode with a thin, inert membrane. Nitrate in unpolluted and waste water in the range of 20-150 ppm can be determined by this method. Many... (View Full Article)
(Chemical Sensors)
From this Article:
Analysis of silver in water to the range of 0.1 ppm silver may be performed utilizing the following procedure. The sample solution should be free of mercury. Collect the sample within eight hours of... (View Full Article)
(Chemical Sensors)
From this Article:
The total concentration of silver present in fixing solutions may be determined over the range of 1M to 10-6M using the Iotrode Silver Electrode. Fixing solutions usually contain a sulfide-bisulfidte... (View Full Article)
(Chemical Sensors)
From this Article:
Sodium content of foods has become an important concern in our diet. The Iotron Sodium electrode allows a simple technique for fast routine measurement of sodium.... (View Full Article)
(Chemical Sensors)
From this Article:
Sodium measurements taken with glass sodium electrodes have been routinely taken for over 35 years. Next to pH, sodium electrode measurements are the most common use of ion selective electrodes. Low... (View Full Article)
(Chemical Sensors)
From this Article:
Total cyanide may be measured directly with an Iotron Cyanide electrode in cadmium/cyanide baths. The measurement is based on the stability of the cadmium-cyanide complex. As cyanide concentrations... (View Full Article)
(Chemical Sensors)
From this Article:
Total cyanide is measured directly with a cyanide electrode due to the stability of the zinc-cyanide complex. The following procedure should be used as a general guide for the analysis since zinc... (View Full Article)
(Chemical Sensors)
From this Article:
Cyanide forms complexes with many types of metal ions. Cyanide electrodes however, respond only to free cyanide ions. The following method allows the user to temporarily break down the complexes and... (View Full Article)
(Chemical Sensors)
From this Article:
A major contributor to odor in drinking water is sulfide in the form of H2S. Utilizing the Iotrode Sulfide Electrode the user may determine sulfide in most water samples very simply. The only... (View Full Article)