Photometry and reflectometry

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facet applications:Photometry and reflectometry

facet content type:Protocol

Showing 1-30 of 51 results

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

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

Ammonium in Effluents

Step-by-step method describing the photometric determination of ammonium ions in effluents using Spectroquant® test kits and spectrophotometer.

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.

Ultrasensitive Silicate Determination in Water

Rapid and sensitive test for silicate-induced scale deposits ensures industrial plant efficiency and sustainability.

Determination of Calcium in Beer

Using the Spectroquant® photometric system, we outline a photometric analysis of calcium levels in beer.

Determination of Nitrate in Manure

Learn about the photometric determination of nitrate ions in manure using Spectroquant® test kits and spectrophotometer.

Determination of Nitrate in Compost

Learn about the photometric determination of nitrate ions in compost using Spectroquant® test kits and spectrophotometer.

Reflectometric Determination of DL Lactic Acid in Dairy Products

Quick and accurate analysis of D- and L-lactic acid in dairy products using Reflectoquant® Lactic Acid Test upon reaction with lactate dehydrogenase (LDH).

Reflectometric Determination of DL Lactic Acid in Vegan Yogurt

Rapid analysis of DL-lactic acid in vegan yogurt using the Reflectoquant® Lactic Acid Test, and enzymatic reaction with Lactate Dehydrogenase (LDH).

Determination of o-Phosphate in Ground and Surface Water

Photometric determination of phosphate ions in water with ammonium molybdate using Spectroquant® test kits and a UV/VIS spectrophotometer.

Photometric Determination of Ammonium in Manure

Learn about the photometric determination of ammonium ions in manure samples by indophenol blue method using Spectroquant ® test kits and spectrophotometer.

Determination of Phosphate in fertilizers

Photometric determination of phosphate ions in fertilizer samples using phosphorus molybdenum blue and Spectroquant® test kits.

Determination of Ammonium in Organic Fertilizer

Photometric determination of ammonium ions in organic fertilizers by indophenol blue method using Spectroquant® test kits and spectrophotometer.

Determination of Total Nitrogen in Soil

Photometric determination of total nitrogen in soil samples by phosphorus molybdenum blue method using Spectroquant® test kits.

Determination of Total Phosphorus in plant materials

Photometric determination of total phosphorus in plant material samples by phosphorus molybdenum blue method using Spectroquant® test kits.

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)

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