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concentrating zone tlc plates
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Thin-Layer Chromatography Process
What causes a dissolved mixture to separate when applied to a TLC plate? The thin-layer chromatography process relies on capillary forces. During development of the chromatogram, the mixture of substances is first transported by the mobile phase, then resides on
Separation of Steviol Glycosides by HPTLC: Introducing a New Stevia Extract Reference Material
HPTLC is an efficient method to determine Steviol Glycosides content in Stevia using our HPTLC plates and reference materials, including a new introduced Stevia extract reference material.
High-Performance Thin-Layer Chromatography: A Fast and Efficient Fingerprint Analysis Method for Medicinal Plants
In this article we present several HPTLC applications and analytical standards for ginsenosides.
Detection and Determination of Caffeine, Taurine and Arginine in Shampoos by HPTLC
The modern thin-layer chromatography (TLC) offers advantages also in the field of cosmetics to quickly and simultaneously analyze samples with densitometric detection.
HPTLC Application for Passiflora incarnata
Effective analysis of passion flower by HPTLC fingerprinting, in conjunction with a comprehensive range of related reference materials, enables fast and efficient identification of this plant material.
Sildenafil Citrate USP Method Using HPTLC Plates for the Limit of Imidazole Test
In the present study we demonstrate compliance of silica gel 60 F254 HPTLC plates with USP requirements, and how HPTLC plates are suitable for the Sildenafil citrate-Limit of Imidazole test.
Authenticity of Essential Oils: A HPTLC Fingerprint Method
A new HPTLC method to detect adulteration of essential oils is presented along with a range of newly added essential oil reference materials for authenticity analysis.
TLC Analysis of Caffeine in Coffee Samples, Quantification of Analyte Concentration
Separation of Caffiene
TLC Analysis of Caffeine in Coffee Samples, Quantification of Analyte Concentration
Separation of Caffiene
TLC Plate Selection Guide
Thin layer chromatography (TLC), an analytical technique often used to separate and identify compounds present in a given mixture, can also be used to determine the purity of a particular substance within that mixture
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.
Qualitative Thin Layer Chromatography Analysis Ginkgo
Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets
Catalyst Screening followed by TLC-MS for Reaction Progress Analysis using KitAlysis™
Catalyst screening, KitAlysis™ High-Throughput Screening Kits, Thin layer chromatography (TLC), parallel analysis, parallel synthesisigh-Throughput Buchwald-Hartwig Amination Reaction Screening Kit, TLC-MS analysis
Glassware
We offer a complete selection of Aldrich® chemistry glassware including a full range of standard beakers, flasks, tubing, reaction vessels, and chromatography columns as well as custom glassblowing services.
Screening for Estrogen Active Nonylphenols in Water by Planar Solid Phase Extraction – Planar Yeast Estrogen Screen
Nonylphenols (NP) are ubiquitous substances that have been detected in highly diverse foodstuff. As breakdown products of nonylphenol ethoxylates, NP could end up in the aquatic environment. This article presents a rapid method for NP detection in surface water
Milli-Q® Consumables
Find consumables that are designed to fit your water purification system. From pretreatment and purification cartridges, to UV lamps and filters—our products are validated with strict quality assurance protocols to give consistent water quality for almost any application.
Milli-Q® Benchtop Water Purification Systems
Find the water purification system that fits your lab’s needs. Compact Milli-Q® pure and ultrapure benchtop systems can meet your application, quality, volume, space and budget requirements.
Determination of Stevioside and Rebaudioside A in Stevia leaves, beverages and food additives using HPTLC-MS
HPTLC-MS was used to analyze stevioside and rebaudioside in artificial sweeteners, stevia plants, cola and isotonic drinks with a minimum of sample preparation.
Mass Spectrometry
Mass spectrometry (MS) is an analytical tool used to identify compounds, determine chemical structure, and assess isotopic abundance. In MS, samples are ionized, and the resulting ions are identified based on their mass-to-charge (m/z) ratios.
Milli-Q® Benchtop Lab Water Purification Systems
Find the water purification system that fits your lab’s needs. Compact Milli-Q® pure and ultrapure benchtop systems can meet your application, quality, volume, space and budget requirements.
Milli-Q® Consumables
Find water purification consumables that are designed to fit your Milli-Q® system. From pretreatment and purification cartridges, to UV lamps and filters—our products are validated with strict quality assurance protocols to give consistent water quality for almost any application.
Quantification of bitter acids in hops by thin layer chromatography
HPTLC separation followed by UV detection of the bitter acid content in various hop samples.
Neural Stem Cell Culture Protocols
Step-by-step culture protocols for neural stem cell culture including NSC isolation, expansion, differentiation and characterization.
Eppendorf
Eppendorf® brand conical and microfuge tubes, pipettes and pipette tips, dispensers, centrifuges, microtiter plates, mixers, spectrometers, and PCR equipment for laboratories.
Filter Paper
Whatman® filter papers for qualitative and quantitative analysis.
Sample Management: Storage
Essential lab storage solutions for lab management, sample traceability, and enhanced productivity including freezer and cryogenic boxes, glass and plastic tubes and bottles, and sealing films and foils.
Probiotics and Human Health
Today, diverse studies report the benefits of probiotics, such as inhibitory effects on pathogens, aid in the management or prevention of chronic intestinal inflammatory diseases or atopic syndromes, and support to the immune system. Potential beneficial applications abound, researchers continue
Filter Paper
Whatman® filter papers for qualitative and quantitative analysis.
Supported Liquid Extraction Columns, Resins & Accessories
Our EXtrelut® NT simplifies the liquid-liquid extraction (LLE) by replacing separation funnels. This emulsion-free single-step process is easy to handle and suitable for trace metal analysis, with minimal solvent usage, high batch-to-batch purity, reproducibility, and recovery rate.
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