Norlab

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Purification of [6]-gingerol using Gilson SCPC‐250 CPC system
This note highlights the ability of a centrifugal partition chromatography (CPC) system (Gilson SCPC‐250) to obtain high purity fractions of an active compound from a small amount of crude extract using five times less solvent consumption than flash chromatography and prep HPLC.

NMR relaxation measurements: their relevance to the physical characterization of particulate suspensions and slurries
This technical note discusses a powerful non-invasive technology for characterizing any solid-liquid or liquid-liquid formulation (i.e., suspensions and emulsions), and introduces the Mageleka MagnoMeter XRS as a simple and affordable instrument for achieving this.

Using NMR relaxation as an aid in understanding formulation of pigment dispersions by Mageleka
In this application note Mageleka demonstrates the importance of understanding all components of a pigment formulation, and introduces the compact next-generation NMR relaxometer, the MagnoMeter, that provides fast, easy, and reliable measurements of dispersion characteristics.

Active pharmaceutical ingredients in AIDS drugs: using NMR relaxation to determine the wetted surface area of suspensions
This application note by Mageleka presents two case studies, where they examine two different API drug materials and show how NMR relaxation measurements from the MagnoMeter can be used to achieve optimal bioavailability.

Dispersions of ink-jet pigments: using NMR relaxation measurements as a quality control tool
The speed and simplicity of NMR-based measurements with the MagnoMeter make it an ideal tool for routine quality control purposes. The advantage of such measurements is that important characteristics of products, from fundamentals to end-use performance, can be monitored quickly and easily and at virtually any industrially relevant solids concentration.

Dye and pigment dispersions: using NMR relaxation measurements as an aid in their formulation by Mageleka
This application note exlpores the use of NMR spectroscopy to aid in the formulation of a product containing a dispersed blue carboxy dye. NMR relaxation measurements that trend with desired characteristics of the final product are compared across formulations containing a variety of surfactants.

Dispersing agents: determining effectiveness using NMR relaxation measurements
This application note by Mageleka explores nuclear magnetic resonance (NMR) relaxation measurements as a means of quantifying the efficiency of dispersant action simply and quickly.

NMR relaxation relevance to the measurement of the wetted surface area of particulate suspensions
The relatively small size, ease of operation, and high data fidelity of benchtop NMR spectrometers, such as Mageleka’s MagnoMeter XRS, eliminate the need for large analytical NMR devices in any laboratory that routinely measures wetted surface area of particulate suspensions.

NMR relaxation measurements and powder wettability by Mageleka
This note explores NMR relaxation measurements as a simple means of determining the wetting efficiency of powders directly, and introduces the MagnoMeter XRS relaxometer as a compact and powerful instrument for routine analysis of this kind.

Comparison of commercial cosmetic products using NMR relaxation measurements
NMR relaxation is a technique that is easy to employ, produces rapid results, and requires limited input data. Importantly, because it does not make any assumptions about the composition of the formulation and requires little, or no, sample preparation this makes it an ideal technique for measuring finished commercial products.

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