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Showing 1-30 of 16486 results
Nanoparticle Ultrafiltration
Filtration methods and membrane filter selection in nanoparticle purification and production.
GC Injection Port Septa: Use, Maintenance, Storage and Handling
Proper handling and preventative maintenance instructions for injection port septa; tips to improve the performance of gas chromatography instruments.
Retentate filtration with Millicup™-FLEX disposable vacuum filtration units
Methods and tutorial video for filtration techniques in contamination analysis using a faster alternative to glass vacuum filtration systems.
Non-volatile and Volatile Buffer Systems
This page shows volatile and non-volatile buffer suggestions for anion and cation exchange chromatography.
Selection of Purification Equipment
This page covers the standard ÄKTAdesign configurations for simple IEX chromatography.
Resolving by Mass
Resolving by Mass
Determination of Water Content in Pyridine Using Karl Fischer Titration
Summary application report for analysis of moisture in pyridine
Qualitative Thin Layer Chromatography Analysis Ginkgo
Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets
Analytical Method: Copper (total) in feedstuffs
Photometric determination with Cuprizon subsequent to acid mineralisation
Determination of Water Content in Kerosene
Summary application report for analysis of moisture in Kerosene
Analytical Method: Aluminium (total) in effluents
Photometric determination with Chromazurole S subsequent to acid mineralisation; DIN decomposition
Analytical Method: Analytical Quality Assurance, Standard for Chlorine dioxide
Preparation of a standard solution for Chlorine dioxide acc. to DIN EN ISO 7393
PLC Plates for Separations from Milligrams to Grams
Our Preparative layer (PLC) plates allow separation and purification of samples varying in quantity – from milligrams to grams.
Determination of Lactose in Dairy Products Using TLC-MS
Straightforward HPTLC-MS analysis of lactose in dairy products (milk or yoghurt) using only protein crash, centrifugation and dilution as sample preparation.
Determination of Water Content in Formic Acid Using Karl Fischer Titration
Summary application report for analysis of moisture in Formic acid
Determination of Water Content in Amino acids Using Karl Fischer Titration
With the exception of prolin, amino acids are hardly soluble in alcohols. Therefore, only the adherent moisture can be determined by the direct volumetric method.
Determination of Water Content in Petroleum Using Karl Fischer Titration
Summary application report for analysis of moisture in Petroleum
Determination of Water Content in 1-Methyl-2-pyrrolidone Using Karl Fischer Titration
Summary application report for analysis of moisture in 1-Methyl-2-pyrrolidone
Analytical Method: Sulfite in Shrimps
Method: Photometric determination with 2,2'-dinitro-5,5'-dithiodibenzoic acid (Ellman's reagent)
Measuring Flows For Gas Chromatography – Volumetric vs. Mass
When choosing a flowmeter, it is essential to consider the attributes and needs of the application. This article provides information related to measuring GC flow rate by both volume and mass.
Iodine in Table Salt
Analytical Method: Iodine in table salt
Determination of Water Content in Acetone Using Karl Fischer Titration
Summary application report for analysis of moisture in Acetone
Determination of Caffeine in Energy Drinks with HPTLC-MS
Thin layer chromatography coupled with mass spectrometry does not require substantial sample preparation. Energy drinks can be applied without dilution directly onto the TLC plate.
Determination of Water Content in Citric acid Using Karl Fischer Titration
Summary application report for analysis of moisture in Citric acid.
Determination of Water Content in Ammonia, aqueous Using Karl Fischer Titration
Summary application report for analysis of moisture in Ammonia, aqueous
Determination of Water Content in sulfuric acid Using Karl Fischer Titration
Summary application report for analysis of moisture in sulfuric acid
Determination of Water Content in Transformer oil Using Karl Fischer Titration
Summary application report for analysis of moisture in Transformer oil
Determination of Water Content in Acetic acid Using Karl Fischer Titration
Summary application report for analysis of moisture in Acetic acid
How to use Scepter™ 2.0 Cell Counter
The Scepter™ cell counter uses the Coulter principle of impedance-based particle detection to reliably and accurately count every cell in your sample.
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