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Merck & Co l-7490 ri detector
L 7490 Ri Detector, supplied by Merck & Co, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/ri+detector+(l-7490)/ri+detect/pm38012629-279-28-2
Average 90 stars, based on 1 article reviews
l-7490 ri detector - by Bioz Stars, 2026-09
90/100 stars

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Article Title: New air-stable zinc complexes formed from cyanoacrylate- and methylenemalonate-based [N2O2]-ligands and their role as catalysts in epoxide–CO2 coupling
Article Snippet: 1658 | Catal.. Sci.. Technol., 2014, 4, 1658–1673 This journal is © The R Karlsruhe Institute of Technology, Institute for Catalysis Research and Technology (IKFT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.

Article Title: Novel Photoreactive Pressure-Sensitive Adhesives (PSA) Based on Acrylics Containing Additionable Photoinitiators
Article Snippet: Molecular weight determination was carried out with liquid chromatography method (LC) using a LaChrom-Merck system with Refractive Index (RI) Detector L-7490 and UV Detector L-7400 from Merck Hitachi (Darmstadt, Germany), equipped with a PLgel 106 Å column from Agilent Technologies, Inc. (Santa Clara, CA, USA)

Article Title: Reactivity of platform molecules in pyrolysis oil and in water during hydrotreatment over nickel and ruthenium catalysts
Article Snippet: In order to gain insight about the molecular weight of the components in the bio-oil, gel permeation chromatography (GPC) was performed in a Column-Thermostate T 6300 from Merck provided with a pre-column PSS SDV 5 m8 x 50 mm, two columns PSS SDV 5m1000A 8 300 mm and PSS SDV 5m100A 8 300 mm and a RI-Detector L-7490 fromMerck.10mg of the samplewere dissolved in 5 ml of THF with internal standard toluene.

Article Title: Effect of Breadmaking Process on In Vitro Gut Microbiota Parameters in Irritable Bowel Syndrome
Article Snippet: Analysis was performed using ion exclusion high performance liquid chromatography (HPLC) system (LaChrom Merck Hitachi, Poole, Dorset UK) equipped with pump (L-7100), RI detector (L-7490) and autosampler (L-7200).

Article Title: Application of byproducts from food processing for production of 2,3-butanediol using Bacillus amyloliquefaciens TUL 308.
Article Snippet: A nonpathogenic bacterial strain Bacillus amyloliquefaciens TUL 308 synthesized minor 2,3-butanediol (2,3-BD) amounts from glucose, fructose, sucrose and glycerol, and efficiently produced the diol from molasses and hydrolysates of food processing residues.. Batch fermentations yielded 16.53, 10.72 and 5 g/L 2,3-BD from enzymatic hydrolysates of apple pomace, dried sugar beet pulp and potato pulp (at initial concentrations equivalent to 45, 20 and 30 g/L glucose, respectively), and 25.3 g/L 2,3-BD from molasses (at its initial concentration equivalent to 60 g/L saccharose).. Fed-batch fermentations in the molasses-based medium with 4 feedings with either glucose or sucrose (in doses increasing their concentration by 25 g/L) resulted in around twice higher maximum 2,3-BD concentration (of about 60 and 50 g/L, respectively).

GPC Assay:

Article Title: Carboxymethyl Starch/Montmorillonite Aqueous Dispersions: The Effect of Components and Mixing Method on Rheoviscometric Characteristics
Article Snippet: The rheoviscometric properties of low and high substituted carboxymethyl starch (CMS) 2 wt% aqueous solutions and their dispersions with sodium, calcium, and organomodified montmorillonite (MMT) have been investigated.. The influence of MMT type and content on viscosity of CMS (degree of substitution, DS, 0.90)/sodium MMT aqueous dispersions, their stability, and transparency during storage up to 18 months has been investigated.. Moreover, the methods of MMT dispergation in low substituted CMS solutions (DS 0.15), that is, mechanical stirring or mechanical and ultrasonication stirring on viscosity have been compared.

Gel Permeation Chromatography:

Article Title: Carboxymethyl Starch/Montmorillonite Aqueous Dispersions: The Effect of Components and Mixing Method on Rheoviscometric Characteristics
Article Snippet: The rheoviscometric properties of low and high substituted carboxymethyl starch (CMS) 2 wt% aqueous solutions and their dispersions with sodium, calcium, and organomodified montmorillonite (MMT) have been investigated.. The influence of MMT type and content on viscosity of CMS (degree of substitution, DS, 0.90)/sodium MMT aqueous dispersions, their stability, and transparency during storage up to 18 months has been investigated.. Moreover, the methods of MMT dispergation in low substituted CMS solutions (DS 0.15), that is, mechanical stirring or mechanical and ultrasonication stirring on viscosity have been compared.



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