Photometry and reflectometry

Applied Filters:

facet applications:Photometry and reflectometry

facet applications:Waste water and process water testing

facet content type:Protocol

Showing 1-30 of 51 results

Analytical Method: Sulfate in Building Materials

Photometric or turbidimetric determination subsequent to water extraction/fusion melting

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.

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: Aluminium (total) in effluents, high organic content

Photometric determination with Chromazurole S subsequent to acid mineralisation

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

Photometric determination with Cuprizon subsequent to acid mineralisation

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

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

Analytical Method for Determination of the Solution Color of Raw Sugars, Brown Sugars and Colored Syrups at pH 7.0 (According to ICUMSA Method GS1/3-7)

Method: Spectrophotometric Color Determination at 420 nm Zero adjustment For each measurement series, a zero adjustment is required. It is recommended to use the same cell for zero adjustment and for sample measurement. The zeroing procedure for the measurement series is automatically prompted by

Analytical Method: Aluminium (total) in lime stone

Photometric determination with Chromazurole S subsequent to fusion melting

Analytical Method: Aluminium (total) in effluents

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

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

Photometric determination with Dimethylglyoxime subsequent to acid mineralisation; DIN decomposition

Analytical Method: Analytical Quality Assurance, Standard for Hydrogen peroxide

Preparation of a standard solution for Hydrogen peroxide

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: 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 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.

Sucrose in Soft Drinks

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

Analytical Method: Analytical Quality Assurance, Standard for Total Chlorine

Preparation of a standard solution for total chlorine.

Determination of Nitrite in Compost

Photometric determination of nitrite ions in compost by Griess method using Spectroquant®</sup 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 Nitrate in Manure

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

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).

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).

Determination of Total Nitrogen in Soil

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

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 Manure

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

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.

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