Photometry and reflectometry

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Applications:Photometry and reflectometry

Content Type:Protocol

Showing 1-30 of 57 results

Analytical Method: Chloride in building materials

Photometric determination using the iron(III)/mercury thiocyanate method after fusion melting

Analytical Method: Copper (total) in feedstuffs

Photometric determination with Cuprizon subsequent to acid mineralisation

Iodine in Table Salt

Analytical Method: Iodine in table salt

Analytical Method: Tartaric Acid in Water

Photometric determination with Ammonium vanadate

Analytical Method: Thiocyanate and Cyanide in Wastewater

Photometric determination as Iron(III)-thiocyanate

Sulfur Dioxide in Beer

Spectrophotometric determination of Sulfur Dioxide (SO2) in Beer with Elimann's reagent. Analytical method and sample preparation for Spectroquant® Sulfite Test.

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

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

Ultrasensitive Determination of Silicate in Process and Boiler Water Using Rapid Photometric Tests

Efficiency of industrial plants and equipment constitutes one of the basic preconditions for sustainable economic operations. One avoidable problem is posed by the undesirable build-up of deposits, i.e., scale – in pipes, boilers, and turbines, whose principal cause is silicate.

Determination of the deterioration of Bleachability Index (DOBI) of Raw Palm Oil acc. to DIN EN ISO 17932:2011

Method: UV/VIS spectrophotometry; Method No. 2524

Determination of the Carotene Content of Raw Palm Oil acc. to DIN EN ISO 17932:2011

Spectrophotometric measurement at 446 nm; method No. 2523

Analytical Method: Sulfate in Building Materials

Photometric or turbidimetric determination subsequent to water extraction/fusion melting

Analytical Method: Urea in Milk (Photometry)

Photometric determination with Diacetyl monooxime in the sample clarified with Trichloracetic acid

Analytical Method: Aluminium (total) in effluents

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

Analytical Method: Zinc in soils

Photometric determination with pyridylazoresorcinol (PAR) subsequent to acid extraction

Analytical Method: Analytical Quality Assurance, Standard for Sulfite

Preparation of a standard solution for Sulfite

Analytical Method: Selenium in Water

Method: Photometric determination with 3,3'-Diaminobenzidine

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

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

Ascorbic acid in fruit juices

Ascorbic acid in fruit juices - photometric determination with Tillmann's reagent

Calcium in Beer

Photometric determination with phthalein derivative

Analytical Method: Analytical Quality Assurance, Standard for Formaldehyde

Preparation of a standard solution for Formaldehyde

Analytical Method: Chlorophyll-a and phaeophytin-a as per DIN 38412 / ISO 10260

Method: Spectrophotometric, method for surface water

Analytical Method: Analytical Quality Assurance, Standard for Hydrogen peroxide

Preparation of a standard solution for Hydrogen peroxide

Analytical Method: ADMI Color Measurement for Prove

Photometric determination using the indophenol blue method after extraction with calcium chloride solution

Analytical Method: 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: Sulfite in Shrimps

Method: Photometric determination with 2,2'-dinitro-5,5'-dithiodibenzoic acid (Ellman's reagent)

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: Nitrite in potato instant powder

Photometric determination using the Griess method subsequent to extraction

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: Phosphorus (Total) in Dairy Products

Phosphorus (total) in dairy products - Photometric determination using the Phosphorus molybdenum blue method subsequent to acid mineralisation

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