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Photometry and reflectometry

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facet applications:Photometry and reflectometry
facet content type:Protocol
Analytical Method: Aluminium (total) in effluents
Photometric determination with Chromazurole S subsequent to acid mineralisation; DIN decomposition
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: Sulfate in Building Materials
Photometric or turbidimetric determination subsequent to water extraction/fusion melting
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: Nickel (total) in effluents (Photometry, DIN decomposition)
Photometric determination with Dimethylglyoxime subsequent to acid mineralisation; DIN decomposition
Analytical Method: Zinc in soils
Photometric determination with pyridylazoresorcinol (PAR) subsequent to acid extraction
Analyze Iron (Total) in Plant Material
Photometric determination subsequent to acid mineralisation
Analytical Method: Nitrite in potato instant powder
Photometric determination using the Griess method subsequent to extraction
Analytical Method: Aluminium (total) in lime stone
Photometric determination with Chromazurole S subsequent to fusion melting
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.
Analytical Method: Analytical Quality Assurance, Standard for Formaldehyde
Preparation of a standard solution for Formaldehyde
Calcium in Beer
Photometric determination with phthalein derivative
Ammonium in Effluents
Step-by-step method describing the photometric determination of ammonium ions in effluents using Spectroquant® test kits and spectrophotometer.
pH in Coffee
Explore the cost-effective and reliable smartphone-based pH determination of coffee samples using MQuant® pH test strips and the MQuant® StripScan App.
Analytical Method: Selenium in Water
Method: Photometric determination with 3,3'-Diaminobenzidine
Analytical Method: Lead in Waste Water with High Concentrations of Calcium
Photometric determination with PAR subsequent to separation of lead with Sodium diethyldithiocarbaminate
Analytical Method: Aluminium (total) in effluents, high organic content
Photometric determination with Chromazurole S subsequent to acid mineralisation
Analytical Method: Sulfite in Shrimps
Method: Photometric determination with 2,2'-dinitro-5,5'-dithiodibenzoic acid (Ellman's reagent)
Analytical Method: Analytical Quality Assurance, Standard for Total Chlorine
Preparation of a standard solution for total chlorine
Analytical Method: Analytical Quality Assurance, Standard for Chlorine dioxide
Preparation of a standard solution for Chlorine dioxide acc. to DIN EN ISO 7393
Analytical Method: Analytical Quality Assurance, Standard for Sulfite
Preparation of a standard solution for Sulfite
Analytical Method: COD Measurement in Waste Water (Rapid-Digestion Method)
Analytical Method COD measurement in wastewater - Photometric determination of chromate consumption subsequent to digestion in 20 min.
Analytical Method: Copper (total) in feedstuffs
Photometric determination with Cuprizon subsequent to acid mineralisation
Analytical Method: Copper (total) in effluents, high organic content
Photometric determination with Cuprizon subsequent to acid mineralisation
Analytical Method: Iodine in table salt
Analytical Method: Iodine in table salt
Analytical Method: Potassium in soils
Turbidimetric determination subsequent to extraction with CAL buffer analogous LUFA
Analytical Method: Analytical Quality Assurance, Standard for Free Chlorine (DIN)
Preparation of a standard solution for free Chlorine according to DIN EN ISO 7393
Sucrose (Saccharose) in Soft Drinks
A step-by-step description of the reflectometric determination of sucrose (saccharose) in soft drinks using Reflectoquant® test strips and reflectometer, ideal for in-process control and on-site testing.
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