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Calibration, qualification, and validation
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Showing 1-30 of 73 results
Fast and Reliable Environmental Analysis of Aldehyde and Ketone Air Pollutants
Aldehydes and ketones are ubiquitous air pollutants. Along with esters and ethers, they are major components of indoor air pollution and are therefore important for industrial hygiene applications.
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.
EN 14105: GC Analysis of Glycerin Impurity in Biodiesel on MET-Biodiesel
EN 14105: GC Analysis of Glycerin Impurity in Biodiesel on MET-Biodiesel
GC Analysis of Bacterial Acid Methyl Esters (BAMEs) on Equity®-1
Protocol for GC Analysis of Bacterial Acid Methyl Esters (BAMEs) on Equity®-1
New GC-MS Method for Mycotoxin Analysis
An article regarding A New GC-MS Method for Mycotoxin Analysis Using 13C-marked Mycotoxin Derivatives from Sigma-Aldrich.com
Extraction and Analysis of Lasix (Furosemide) in Horse Serum
Studies have suggested that there is a correlation between furosemide and improved racing performance, prompting the horse racing industry to monitor the use of this drug
Developing a Quantitative SPME Method
Developing a Quantitative SPME Method
Quantitative NMR for Content Assignment of Reference Standards for Quality Control of Herbal Medicinal Products
qNMR has proven to be appropriate as a primary analytical method for the certification of natural products as reference standards for QC of herbal medicinals.
Derivatization of Fatty acids to FAMEs
Explore how GC can be used to analyze fatty acids either as free fatty acids or as fatty acid methyl esters.
GC Analysis of Grob Test Mix SLB IL76i
GC Analysis of Grob Test Mix on SLB®-IL76i
GC Analyses of Free Fatty Acids
GC Analyses of Free Fatty Acids
GC Analysis of FAMEs in Five Edible Oils (Canola, Lard, Palm, Soybean, and Sunflower Seed) on SLB®-IL111
GC Analysis of FAMEs in Five Edible Oils (Canola, Lard, Palm, Soybean, and Sunflower Seed) on SLB®-IL111
GC Analysis of FAMEs in Canola Oil on SLB-IL111
Separation of null
Analysis of Isocyanates Using the ASSET™ EZ4-NCO Dry Sampler
The unique sampler design ensures that both the vapor phase and particulate isocyanates are captured and derivatized during sampling.
FAME Standard for Optimizing GC System Performance
AOCS and AOAC methods for determining the trans fatty acid composition of foods by gas chromatography require the use of a highly polar cyanosilicone capillary column to provide the best peak resolution attainable of the numerous geometric (cis & trans)
GC Analysis of a 37-Component FAME Mix on SP™-2560
A protocol for GC Analysis of a 37-Component FAME Mix on SP™-2560.
GC Analysis of a 37-Component FAME Mix on SP™-2560, Slower Oven Ramp
GC Analysis of a 37-Component FAME Mix on SP™-2560, Slower Oven Ramp
GC Analysis of a Grain Fatty Acid Methyl Ester (FAME) Mix on SP™-2560
-11-eicosenoate; Methyl elaidate; Methyl linoleate; Methyl myristate; Methyl myristoleate; Methyl palmitate; Methyl palmitoleate; Methyl oleate; Methyl pentadecanoate; Methyl tridecanoate; Methyl behenate; Methyl caprylate; Methyl erucate; Methyl heptadecanoate; Methyl arachidate
Thin Layer Chromatography Identification Test for Dextromethorphan following European Pharmacopeia Monograph on Silica Gel G 254 Plates
Silica gel G 254 plates are suitable for analysis of Dextromethorphan following the European pharmacopeia monograph.
LC/MS (TOF) Analysis of Drugs and Their Glucuronide Metabolites in Urine on Titan™ C18 After Solid Phase Extraction (SPE) Using Supel™-Select SCX, β-Glucuronidase Enzyme Digestion
-THC solution, 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material
LC/MS/MS Analysis of Aflatoxins in Cannabis on Ascentis® Express 2.7µm Phenyl-Hexyl after Cleanup Using Supel™ Tox AflaZea SPE
solution, 2 μg/mL in acetonitrile, analytical standard
Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column
Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column
GC Analysis of a 37-Component FAME Mix on Equity™-1 (15 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis
gc-analysis-of-a-37-component-fame-mix-g004278
Analytical Standards of Boswellic Acids and Their Separation
We offer six boswellic acids as analytical standards and two neat standards of α+β mixtures for use in research and quality control.
Rapid, Sensitive, and Quantitative LC/MS/MS Determination of Digitoxin and Digoxin in Plasma
Immunoassay-based methods for digitoxin or digoxin exist, but are time consuming, labor intensive, and not selective due to similarities in their chemical structures.
Determination of Triclosan in Environmental Waters
Triclosan was detected in waste water plant discharge using HPLC followed by UV and MS/MS detection.
Chiral and Achiral LC-MS Analysis of Warfarin™ in Plasma Samples
This study demonstrates the analysis of Warfarin in plasma samples utilizing chiral and achiral (reversed-phase) LC-MS and effective sample prep to remove endogenous phospholipids
Allergenic Fragrance Testing – Certified Materials
IFRA method introduces new CRMs for allergenic fragrances, analyzed by GC with ionic liquid capillary column for selectivity.
Production of Dual-labelled Proteins
Refinement of protein dual-labeling protocol using EnPresso® B Defined Nitrogen-free showcased by Vernalis, Ltd. for drug discovery.
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