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Applications:Photometry and reflectometry
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Sulfur Dioxide in Beer
Spectrophotometric determination of Sulfur Dioxide (SO2) in Beer with Elimann's reagent. Analytical method and sample preparation for Spectroquant® Sulfite Test.
Ultrasensitive Determination of Silicate in Process and Boiler Water Using Rapid Photometric Tests
Efficiency of industrial plants and equipment constitutes one of the basic preconditions for sustainable economic operations. One avoidable problem is posed by the undesirable build-up of deposits, i.e., scale – in pipes, boilers, and turbines, whose principal cause is silicate.
Analytical Method: Analytical Quality Assurance, Standard for Free Chlorine (dichloroisocyanuric acid)
AQA Standard for free chlorine - Preparation of a standard solution for free chlorine
Bromine in Drinking Water, Swimming-Pool Water, Wastewater and Disinfection Solutions
Spectrophotometric determination of bromine with dipropyl-p-phenylenediamine (DPD) in drinking water, swimming-pool water, wastewater, and disinfection solutions in a range of 0.020 – 10.00 mg/L.
Ammonium in Effluents
Step-by-step method describing the photometric determination of ammonium ions in effluents using Spectroquant® test kits and spectrophotometer.
Analytical Method: Tartaric Acid in Water
Photometric determination with Ammonium vanadate
Analytical Method: Zinc (total) in effluents, high organic content
Photometric determination subsequent to acid mineralisation with sulfuric acid and Perhydrol
Cobalt in Wastewater from Printing Plates, Print Materials, and Graphic Products
Analytical method – Cobalt in wastewater from printing plates, print materials, and graphic products, Photometric determination with Nitroso-R-Salt
Analytical Method: Nitrite in potato instant powder
Photometric determination using the Griess method subsequent to extraction
Calcium in Beer
Photometric determination with phthalein derivative
Analytical Method: Aluminium (total) in lime stone
Photometric determination with Chromazurole S subsequent to fusion melting
Analytical Method: Nickel (total) in effluents, high organic content
Photometric determination with Dimethylglyoxime subsequent to acid mineralisation
Analyze Iron (Total) in Plant Material
Photometric determination subsequent to acid mineralisation
Analytical Method: Analytical Quality Assurance, Standard for Formaldehyde
Preparation of a standard solution for Formaldehyde
Analytical Method: ADMI Color Measurement for Prove
Photometric determination using the indophenol blue method after extraction with calcium chloride solution
Cobalt in Wastewater from Inorganic Pigments
Analytical method – Cobalt in wastewater from inorganic pigments, photometric determination with Nitroso-R-Salt
Iron (Total) in Electrophoretic Paints
Photometric determination subsequent to decomposition with sulfuric acid and Perhydrol
Analytical Method: Zinc in soils
Photometric determination with pyridylazoresorcinol (PAR) subsequent to acid extraction
Analytical Method: Nickel (total) in effluents (Photometry, DIN decomposition)
Photometric determination with Dimethylglyoxime subsequent to acid mineralisation; DIN decomposition
Analytical Method: Aluminium (total) in effluents
Photometric determination with Chromazurole S subsequent to acid mineralisation; DIN decomposition
Analytical Method – Cobalt in Wastewater from Coating Resins and Coating Materials
Analytical method – Cobalt in wastewater from coating resins and coating materials, photometric determination with Nitroso-R-Salt
Analytical Method: Sulfate in Building Materials
Photometric or turbidimetric determination subsequent to water extraction/fusion melting
Analytical Method: Lead (total) in effluents
Photometric determination with PAR subsequent to acid mineralisation; DIN decomposition
Analytical Method: Nickel (Total) in Electrophoretic Paints
Photometric determination with Dimethylglyoxime subsequent to decomposition with acid and Perhydrol.
Application Notes: Reflectometry – Hydroxymethylfurfural (HMF) in honey
Hydroxymethylfurfural (HMF) in honey – reflectometric determination after after conversion with a barbituric acid derivative and an aminophenazone derivative
Analytical Method: Chlorophyll-a, -b, -c as per APHA 10200-H
APHA 10200-H describes a measurement against an extraction solution. When the method was zeroed using the stated reagents, no difference in absorbance was found compared with zeroing the method using water for analysis. It is hence possible to use water
Cobalt in Wastewater From the Production and Casting of Non-ferrous Metals
Cobalt in wastewater from the production and casting of non-ferrous metals
Analytical Method: Urea in Milk (Photometry)
Photometric determination with Diacetyl monooxime in the sample clarified with Trichloracetic acid
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