CN
Photometry and reflectometry
Applied Filters:
facet applications:Photometry and reflectometry
facet content type:Protocol
Showing 1-30 of 39 results
Analytical Method: Lead (total) in effluents
Photometric determination with PAR subsequent to acid mineralisation; DIN decomposition
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: Aluminium (total) in lime stone
Photometric determination with Chromazurole S subsequent to fusion melting
Analytical Method: Analytical Quality Assurance, Standard for Hydrogen peroxide
Preparation of a standard solution for Hydrogen peroxide
Analytical Method: Copper (total) in feedstuffs
Photometric determination with Cuprizon subsequent to acid mineralisation
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
Determination of the deterioration of Bleachability Index (DOBI) of Raw Palm Oil acc. to DIN EN ISO 17932:2011
Method: UV/VIS spectrophotometry; Method No. 2524
Analytical Method: Analytical Quality Assurance, Standard for Sulfite
Preparation of a standard solution for Sulfite
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: Sulfite in Shrimps
Method: Photometric determination with 2,2'-dinitro-5,5'-dithiodibenzoic acid (Ellman's reagent)
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.
Cobalt in Wastewater from Inorganic Pigments
Analytical method – Cobalt in wastewater from inorganic pigments, photometric determination with Nitroso-R-Salt
Analytical Method for Selenium in Water
Quantify selenium in water using this photometric test and a clear, filtered sample to measure the results at 445 nm.
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: Nickel (total) in effluents (Photometry, DIN decomposition)
Photometric determination with Dimethylglyoxime subsequent to acid mineralisation; DIN decomposition
Analytical Method: Sulfate in Building Materials
Photometric or turbidimetric determination subsequent to water extraction/fusion melting
Analytical Method: Zinc in soils
Photometric determination with pyridylazoresorcinol (PAR) subsequent to acid extraction
Analyze Iron (Total) in Plant Material
The iron test enables quantification of iron ions in various waters. Iron ions are reduced to iron(II) ions that react with a triazine derivative to form a red-violet complex that is measured photometrically.
Cobalt in Wastewater From the Production and Casting of Non-ferrous Metals
Cobalt in wastewater from the production and casting of non-ferrous metals
Determination of Ammonium in Soils
Ammonium is the naturally preferred source of nitrogen for plant growth and there is an increasing global demand for organic food products.
Determination of Silver in Water and Wastewater: Photometric Determination Using Phenanthroline Method and Eosin Y
The article describes the sample preparation and photometric determination of silver concentration in water samples using Spectroquant® photometers and test kits.
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.
Sucrose in Soft Drinks
Reflectometric determination of sucrose in soft drinks using Reflectoquant® test strips and reflectometer for in-process control.
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: Aluminium (total) in effluents, high organic content
Photometric determination with Chromazurole S subsequent to acid mineralisation
Analytical Method: Aluminium (total) in effluents
Photometric determination with Chromazurole S subsequent to acid mineralisation; DIN decomposition
Page 1 of 2