Chemical analysis

Applied Filters:

facet applications:Chemical analysis

facet applications:Photometry and reflectometry

facet content type:Protocol

Showing 1-30 of 60 results

Analytical Method: Iodine in table salt

Analytical Method: Copper (total) in feedstuffs

Photometric determination with Cuprizon subsequent to acid mineralisation

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

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

Veterinary Drug Residues

The use of veterinary drugs may be integral to the process of raising food producing animals and fish. These can include antibiotics, hormones, and steroids.

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: 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

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

Analytical Method for Selenium in Water

Method: Photometric determination with 3,3'-Diaminobenzidine

Analytical Method: Analytical Quality Assurance, Standard for Sulfide

Preparation of a standard solution for Sulfide

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

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

Analyze Iron (Total) in Plant Material

Photometric determination subsequent to acid mineralisation

Analytical Method: Zinc in soils

Photometric determination with pyridylazoresorcinol (PAR) subsequent to acid extraction

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

Analysis of Active Cannabis Compounds (Cannabinoids) in Edible Food Products: Gummy Bears and Brownies

Rapid potency testing of marijuana-infused edibles using LC/MS on a biphenyl stationary phase detected eleven cannabinoids.

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.

Analysis of Residual Solvents in Hemp Extracts

SPME enables rapid, sensitive GC/MS analysis of residual solvents in hemp extract, ensuring accuracy and efficiency.

Sucrose in Soft Drinks

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

Determination of Nitrite in Soils

Photometric determination of nitrite ions in soil samples by Griess method using Spectroquant® 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 Nitrate in Soils

Learn about the photometric determination of nitrate ions in soil 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).

Ammonium Photometric Determination in Drinking and Surface Water

Photometric determination of ammonium ions in drinking and surface water samples by indophenol blue method using Spectroquant® test kits and spectrophotometer.

Determination of Ammonium in Compost

Photometric measurement of ammonium ions in compost samples by indophenol blue method using Spectroquant® test kits and spectrophotometer.

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.

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.

Complete Workflow for Comprehensive Cannabis Terpenes Analysis

Complete workflow for the comprehensive analysis of terpenes in cannabis

Determination of Calcium in Beer

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

Analytical Method: Nitrite in potato instant powder

Photometric determination using the Griess method subsequent to extraction

Page 1 of 2