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A new internal standard for HPLC assay of conjugated linoleic acid in animal tissues and milk
sorbic acid internal standard CLA isomers HPLC photodiode array detection biological samples
2015/6/9
A new method for the quantification of underivatized conjugated linoleic acid (CLA) isomers and CLA-metabolites by silver ion liquid chromatography (Ag+-HPLC) with photodiode array detection (DAD) is ...
Determination of free and bound 3-chloropropane-1,2-diol by gas chromatography with mass spectrometric detection using deuterated 3-chloropropane-1,2-diol as internal standard
3-chloropropane-1,2-diol (3-MCPD) chloropropanediols 3-MCPD esters phenylboronic acid food analysis
2014/3/19
An improved routine, simple and sensitive method is presented for the determination of free and bound 3-chloropropane-1,2-diol (3-MCPD) in different foods using capillary gas chromatography with mass ...
Application of an Internal Standard Technique by Transmission X-ray Diffraction to Assess Layer Charge of a Montmorillonite by Using the Alkylammonium Method
Alkylammonium Method Interlayer Cation Exchange Capacity Layer-Charge Determination Montmorillonite Silver Behenate XRD
2011/12/6
Abstract: Transmission X-ray diffraction (XRD) of C6–16 alkylammonium ion-exchanged montmorillonite SAz-1 with Ag-behenate as an internal standard provided accurate estimates of d(001) values of the a...
Quantitative X-ray Powder Diffraction Analyses of Clays Using an Orienting Internal Standard and Pressed Disks of Bulk Shale Samples
Quantitative X-ray Powder Diffraction Analyses Clays Bulk Shale Samples
2012/2/13
Quantitative analysis of clay minerals by X-ray powder diffraction requires oriented clays in order to increase detection limits of the analyses. This is achieved commonly either by smear or sedimenta...
Orienting Internal Standard Method for Clay Mineral X-ray Analysis
Internal Standard Method Clay Mineral X-ray Analysis
2011/11/17
Abstract: Use of a platy internal standard that will orient to the same degree as clay minerals preserves the relative diffraction intensities between the basal reflections from the platy components, ...