Photometry and reflectometry

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facet applications:Photometry and reflectometry

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Showing 1-30 of 56 results

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 Sulfide

Preparation of a standard solution for Sulfide

Analytical Method: Aluminium (total) in effluents

Photometric determination with Chromazurole S subsequent to acid mineralisation; DIN decomposition

Analytical Method: Analytical Quality Assurance, Standard for Free Chlorine (dichloroisocyanuric acid)

AQA Standard for free chlorine - Preparation of a standard solution for free chlorine

Analytical Method: Lead (total) in effluents

Photometric determination with PAR 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: Copper (total) in effluents, high organic content

Photometric determination with Cuprizon subsequent to acid mineralisation

Analytical Method: Aluminium (total) in effluents, high organic content

Photometric determination with Chromazurole S subsequent to acid mineralisation

Analytical Method: Analytical Quality Assurance, Standard for Free Chlorine (DIN)

Preparation of a standard solution for free Chlorine according to DIN EN ISO 7393

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.

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: Nickel (total) in effluents (Photometry, DIN decomposition)

Photometric determination with Dimethylglyoxime subsequent to acid mineralisation; DIN decomposition

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.

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.

Sucrose in Soft Drinks

Reflectometric determination of sucrose in soft drinks using Reflectoquant® test strips and reflectometer for in-process control.

Determination of Calcium in Beer

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

Determination of Nitrate in Soils

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

Determination of Nitrite in Soils

Photometric determination of nitrite ions in soil samples by Griess method using Spectroquant® test kits and spectrophotometer.

Determination of Nitrite in Compost

Photometric determination of nitrite ions in compost by Griess method using Spectroquant®</sup test kits and spectrophotometer.

Determination of Nitrate in Manure

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

Determination of Ammonium in Mineral Fertilizer

Photometric determination of ammonium ions in mineral fertilizer 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 Phosphate in Manure

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

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.

Analytical Method: Sulfate in Building Materials

Photometric or turbidimetric determination subsequent to water extraction/fusion melting

Estimation of Proline in Fruit and Vegetable Juices

Spectrophotometric determination of proline by the Ninhydrin method, per EN 1141 and German Food and Feed Code §64 LFBG 31.00-7.

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).

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