Chemical analysis

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facet applications:Chemical analysis

facet applications:Photometry and reflectometry

facet content type:Protocol

Showing 1-30 of 60 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.

Testing Food for Fipronil Contamination

Test your food for fipronil contamination using our analytical standards, certified reference materials, solvents, and columns for analysis.

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.

Determination of Calcium in Beer

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

Analytical Method: Selenium in Water

Method: Photometric determination with 3,3'-Diaminobenzidine

Determination of Bisphenol A in Drinking Water

A comprehensive sample preparation and analytical procedure was developed by Supelco for determining BPA in drinking water.

Analytical Method: Lead in Waste Water with High Concentrations of Calcium

Photometric determination with PAR subsequent to separation of lead with Sodium diethyldithiocarbaminate

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