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Analytical Method: Determination of Sugar Solution Color at pH 7.0 (According to ICUMSA Method GS2/3-9)

Materials and Reagents: Cat.No. 1.16754.9010 Water for analysis EMSURE® or distilled water Cat.No. 1.09060.1000 Hydrochloric acid 0.1 mol/l Titripur® Cat.No. 1.08379.0250 Triethanolamine (TEA) for analysis Cat.No. 1.14944.0001 Rectangular cells 50 mm or Cat.No. 1.74011.0001 Rectangular cell 100 mm (...

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)

Materials and Reagents: Cat.No. 1.16754.9010 Water for analysis EMSURE® or distilled water Cat.No. 1.09060.1000 Hydrochloric acid 0.1 mol/l Titripur® Cat.No. 1.09141.1000 Sodium hydroxide solution 0.1 mol/l Titripur® Cat.No. 1.14946.0001 Rectangular cells 10 mm or Cat.No. 1.14947.0001 Rectangular ce...

Analytical Method: Determination of Sugar Solution Color at pH 7.0 by the MOPS Buffer Method (According to ICUMSA Method GS9/1/2/3-8)

Materials and Reagents: Cat.No. 1.16754.9010 Water for analysis EMSURE® or distilled water Cat.No. 475898-100 MOPS, free acid, ULTROL® Grade, Calbiochem® Cat.No. 1.09137.1000 Sodium hydroxide solution 1 mol/l Titripur® Cat.No. 1.14946.0001 Rectangular cells 10 mm or Cat.No. 1.14947.0001 Rectangular ...

Analytical Method: Determination of White Sugar Solution Color (According to ICUMSA Method GS2/3-10)

Materials and Reagents: Cat.No. 1.16754.9010 Water for analysis EMSURE® or distilled water Cat.No. 1.14944.0001 Rectangular cells 50 mm or Cat.No. 1.74011.0001 Rectangular cell 100 mm (Prove 600 only) Cat.No. 1.73016.0001 Spectroquant® VIS Spectrophotometer Prove 100 or Cat.No. 1.73017.0001 Spectroq...

Determination of Rutin in Anti-Aging Skin Cream Formulations Using Chromolith® HighResolution RP-18 Endcapped Column and UV Detection

Rutin, also known as rutoside, quercetin-3-O-rutinoside, or sophorin, is a quercetin glycoside found in various plants, including buckwheat and asparagus. The chemical structure contain units of Rutoside and the disaccharide rutinose (α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranose). Rutin is believed t...

Analytical Method: Sulfur Dioxide in Beer

This Application Note demonstrates how the Spectroquant® Sulfite Test can be used to quantitatively determine sulfur dioxide in beer swiftly, efficiently, and reliably. Sulfur dioxide or sulfite is contained in almost all types of beer. On the one hand, it occurs in beer as a natural result of yeast...

Determination of Stevioside and Rebaudioside A in Stevia leaves, beverages and food additives using HPTLC-MS

High Performance Thin Layer Chromatography coupled with Mass Spectrometry (HPTLC–MS) is a very useful analytical technique where samples often can be analyzed with a minimum of sample preparation. This is exemplified here through the determination of stevioside and rebaudioside in beverages and food...

Analytical Method – Cobalt in Wastewater from Coating Resins and Coating Materials

Cobalt and cobalt compounds can occur in the wastewater during the production of “aqueous dispersion paints, resin-bound plasters, and water-dilutable coatings, paint resins, and solvent-based coating materials”1. Cobalt salts have a carcinogenic effect when absorbed by inhalation, and in the event ...

Analytical Method – Silicate in Antifreeze Agents and Corrosion Inhibitors

Corrosion is defined as the transformation of a material resulting from the direct contact with its environment. The corrosion of a material generally leads to an impairment of the proper function of the component made of the material in question. To prevent or at least reduce such damage to a minim...

Analytical Method – Cobalt in Wastewater from Inorganic Pigments

Cobalt and cobalt compounds can occur in the wastewater during the production of “inorganic pigments, e.g. mixed-phase pigments, pigment mixtures and frits”1. Cobalt salts have a carcinogenic effect when absorbed by inhalation, and in the event of oral uptake have a health-hazardous effect after rep...

Determination of Methylisothiazolinone in wall paint using TLC-MS

Complex sample matrices can be a big problem for various analytical techniques. To minimize effects like sample carry-over, contamination or even damage of the instrumental equipment, extensive sample preparation procedures have to be performed. With TLC-MS (thin layer chromatography - mass spectrom...

Determination of UV filter in sun cream using TLC-MS

The analytical verification of cosmetic products can be a challenging task. Formulations like creams, balms or lotions are complex matrices with respect to chromatography, so low-level sample preparation and a direct analysis method is appreciated. TLC-MS (thin layer chromatography – mass spectromet...

Sample prep-free determination of Caffeine in shampoo by using TLC-MS

The analysis of shampoo for caffeine determination is an excellent application to demonstrate the easy handling and good performance of TLC-MS (thin layer chromatography – mass spectrometry) using the elution-based approach. High matrix tolerance of TLC makes chromatographic separation fast and econ...

Analytical Method – Cobalt in Wastewater from Production of Ceramics

Cobalt and cobalt compounds can occur in the wastewater during the production of ceramics. If piezo ceramics, dish products and sanitary ceramics are produced, the wastewater can be discharged if a defined percentage of the wastewater has been reused for the production1. Cobalt salts have a carcinog...

Determination of Quinine in Tonic Water and Caffeine in Coffee and Cola drinks using TLC-MS

High Performance Thin Layer Chromatography coupled with Mass spectrometry (HPTLC–MS) is an analytical technique that requires low-level of sample preparation. Here it is illustrated with the determination of quinine in tonic water and caffeine in coffee and cola drinks. Tonic water and the analyzed ...

Analytical Method – Cobalt in Wastewater from Printing Plates, Print Materials, and Graphic Products

Cobalt and cobalt compounds can occur in the wastewater during the production of printing plates, print materials, and graphic products, including the offset-printing and sieve-printing sectors.1 Cobalt salts have a carcinogenic effect when absorbed by inhalation, and in the event of oral uptake hav...

Analytical Method – Cobalt in wastewater from the production and casting of non-ferrous metals

Cobalt and cobalt compounds can occur in the wastewater during the production and casting of the “non-ferrous metals lead, copper, zinc, aluminum and their related by-products as well as in the manufacture of semifinished products”1. Cobalt salts have a carcinogenic effect when absorbed by inhalatio...

Analytical Method – Cobalt in Wastewater from metal-processing and metal-working Processes

Cobalt and cobalt compounds can occur in the wastewater during “metal-processing and metal-working processes, including anodic oxidation plants and the manufacture of circuit boards”1 Cobalt salts have a carcinogenic effect when absorbed by inhalation, and in the event of oral uptake have a health-h...

Sample prep-free determination of Arginine and Taurine in shampoo by using TLC-MS

The application of modern thin-layer chromatography (TLC) offers a lot of advantages especially in the field of cosmetics. The ingredients can usually be separated directly from complex matrices and many samples can be analysed quickly and simultaneously under exactly the same conditions. Below the ...

Determination of Caffeine in Energy Drinks with HPTLC-MS

An energy drink is a beverage that contains stimulants such as caffeine and taurine in additions to sugar, water, dyes and aromatics. Caffeine belongs to the alkaloid family, and it is a stimulator of the central nervous system and the most consumed psychoactive drug in the world. Too much caffeine ...

Determination of Lactose in dairy products using TLC-MS

Today food intolerances play a big role in our society. For example a lot of people are lactose intolerant, usually some more in Asian countries than in Europe or North America. So far, analysis of lactose in foodstuff, especially in dairy products is important for food industries. Foodstuff with a ...

Determination of Fipronil and Fipronil Sulfone in Food Using Purospher STAR RP-18 Endcapped Column and UV Detection

Fipronil is normally used as a broad spectrum insecticide to treat dogs and cats for fleas and to combat red lice in poultry. Fipronil sulfone is a degradation product of fipronil, and is more toxic to organisms than the parent compound. Fipronil is a phenylpyrazole pesticide and its use with food p...

Determination of Malachite Green and Leucomalachite Green in Salmon Using Chromolith HighResolution RP-18 with UV Detection

Malachite green (MG) is an effective topical fungicide used in the aquaculture industry. MG absorbed by fish tissue is metabolically reduced to leucomalachite green (LMG), which is lipophilic and can be stored in edible fish tissue for an extended period of time. This application focusses on HPLC te...