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Calibration, qualification, and validation
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US EPA Method 8015 (modified): GC Analysis of Gasoline Range Organics (GRO) on SLB®-5ms, Direct Injection
-Xylene 1000 μg/mL; 1,2,4-Trimethylbenzene 1000 μg/mL
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.
Antibody Drug Conjugate Mimic Enables LC-MS Method Development Without Risk
Here we show how LC and MS methods may be optimized using a non-toxic surrogate of the ADC, an “ADC-mimic”, that behaves very similarly to the Cys-linked ADC Adcetris (Seattle Genetics).
FAME Standard for Optimizing GC System Performance
FAME Standard for Optimizing GC System Performance
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
Qualitative Thin Layer Chromatography Analysis Ginkgo
Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets
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
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 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
MET-Biodiesel Capillary GC Column
B100 biodiesel analysis of free glycerin & total glycerin by Gas Chromatography using the Supelco MET-Biodiesel capillary gc column for ASTM D6584 & EN 14105
LC/MS/MS Analysis of Steroid Hormones in Plasma
The conversion of clinical methods to LC/MS/MS offers advantages; however, is accompanied by a few limitations, notably interference effects from the endogenous sample matrix.
Sildenafil Citrate Method (HPLC) following USP Monograph on Ascentis® Express C18 with UV detection
Sildenafil, sold under the brand name Viagra, among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension.
Analysis of Fipronil and Fipronil Sulfone in Eggs, Chicken Meat and Mayonnaise
A short abstract on a method using QuEChERS and GC/MS/MS for determination of fipronil & fipronil sulfone.
Determination of Free and Total Glycerin in B100
Glycerin determination methods require multi-component calibration solutions for accurate analysis.
HPTLC for Passiflora incarnata
HPTLC fingerprinting enables rapid identification of passion flower with related reference materials.
PAHs Determination in Paprika Powder using SPE
Paprika spice's PAH contamination risk due to environmental exposure highlights food safety concerns.
Hydrocarbon Oil Index in Samples
Special mineral oil standard mixtures are gravimetrically produced for calibration.
ENVI-Carb Plus for the Extraction of Propylene Glycol and Ethylene Glycol from Water
ENVI-Carb Plus for the Extraction of Propylene Glycol and Ethylene Glycol from Water
Determination of Quinine in Tonic Water and Caffeine in Coffee and Cola Drinks Using TLC-MS
HPTLC–MS analysis of quinine in tonic water and caffeine in coffee and cola drinks.
Complete Workflow for Comprehensive Cannabis Terpenes Analysis
Complete workflow for the comprehensive analysis of terpenes in cannabis
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.
HPLC Analysis of Water-Soluble Vitamins Using Titan C18 Column
The B vitamins are very hydrophilic, consequently a gradient with a low concentration of methanol and acidic mobile phase was used for elution under reversed-phase conditions.
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
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.
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.
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
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