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Showing 1-30 of 1347 results
GC Analysis of Permanent Gases and Light Hydrocarbons on Carboxen-1006 PLOT and a Packed Column (Carboxen® 1004)
Separation of Methane; Acetylene; Carbon monoxide; Water; Nitrogen; Carbon dioxide; Ethane; Ethylene
GC Analysis of Bacterial Acid Methyl Esters (BAMEs) on Equity®-1
Protocol for GC Analysis of Bacterial Acid Methyl Esters (BAMEs) on Equity®-1
HPLC Analysis of Various Cationic Polymers on TSKgel® PWXL-CP Columns
Separation of Polyacrylic acid (PAA) 438 kDa; Polyacrylic acid (PAA) 235 kDa; Polyethylenimine (PEI) 266 kDa ; Poly(dimethyl diallyl ammonium chloride) (PIDADMACl) 204 kDa; p-Aminosalicylic acid (PAS) 7800 Da; p-Aminosalicylic acid (PAS) 257 kDa; Cationic dextran (11 kDa); Chitosan...
Porcine Aortic Endothelial Cells (PAOEC) Culture Protocol
Technical information for working with porcine aortic endothelial cells including thawing, subculturing and cryopreservation
High-throughput Real-Time PCR: SYBR® Green
High-throughput qPCR using SYBR® Green is a demanding application that requires consistent and reproducible results from low-volume, high-speed assays.
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.
Transferpette® Testing Instructions (SOP)
This article provides testing instructions for the piston-operated pipette BRAND Transferpette® according to the standard DIN EN ISO 8655.
HPLC Analysis of Barbiturates in Serum on Discovery® C18 after SPE using Discovery® DSC-18Lt
HPLC Analysis of Barbiturates in Serum on Discovery® C18 after SPE using Discovery® DSC-18Lt
Basic Indirect Co-culture on Both Sides of Millicell® Cell Culture Insert Membranes
This page covers the basic indirect co-culture procedure on both sides of Millicell cell culture insert membranes.
Sweet Orange Essential Oil GC Analysis
Fast GC analysis of sweet orange essential oil in hexane. Key components identified includes: β-Farnesene; α-Huµlene; Germacrene D; (+)-Valencene; Bicyclogermacrene; (+)-δ-Cadinene
GC Analysis of Nitrogen and Nitrous Oxide on Carboxen®-1010 PLOT
Protocol for GC Analysis of Nitrogen and Nitrous Oxide on Carboxen®-1010 PLOT
DRO, EPH, ETPH, GRO, PRO, PVOC, STARS, TPH, VPH? Help, I’m Trapped in Alphabet Soup!
There are three types of analyses: GRO, DRO, and TPH. The published methods are simply variations of these to meet the different analytical needs of the individual agencies.
GC Analysis of a 37-Component FAME Mix on Omegawax® (15 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis
GC Analysis of a 37-Component FAME Mix on Omegawax® (15 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis
Prevent GC Inlet Problems BEFORE They Cost You Time and Money
Every laboratory should have a preventative maintenance schedule that is adhered to, allowing their GC systems to produce optimal chromatography.
Determination of Water Content in Liquid petroleum gas Using Karl Fischer Titration
Saturated hydrocarbons can in most cases be titrated according to standard methods. To overcome solubility problems of unpolar or weakly polar substances, the addition of a solubiliser to the solvent is necessary.
Selecting a GC Column for Specific Methods
We offer the Supelco portfolio of analytical GC columns, providing you the accuracy, precision and consistency you need.
Analytical Method: Copper (total) in feedstuffs
Photometric determination with Cuprizon subsequent to acid mineralisation
Analytical Method: Analytical Quality Assurance, Standard for Free Chlorine (DIN)
Preparation of a standard solution for free Chlorine according to DIN EN ISO 7393
Choosing the Proper Activated Alumina PLOT Column
The recent addition of Alumina sulfate and Alumina chloride columns to the Supelco family of GC capillary PLOT columns has prompted several customer inquiries on why we offer two alumina chemistries and how to chose between the two. We present...
Determination of Water Content in 1,2-Propanediol, propylene glycol Using Karl Fischer Titration
Summary application report for analysis of moisture in 1,2-Propanediol, propylene glycol
GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal
GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal
GC Analysis of Permanent Gases and Light Hydrocarbons on Carboxen® -1006 PLOT
Protocol for GC Analysis of Permanent Gases and Light Hydrocarbons on Carboxen&reg -1006 PLOT
Determination of Water Content in Dichloromethane, methylene chloride Using Karl Fischer Titration
Summary application report for analysis of moisture in Dichloromethane, methylene chloride
GC Analysis of Alcohols on PAG
-Butanol; 2-Methyl-2-butanol; 2-Methyl-1-butanol; 3-Pentanol; 1-Butanol; 2-Methyl-1-propanol; 2-Pentanol, 98%; 3-Methyl-1-butanol; 1-Propanol
Determination of Water Content in Tablet Using Karl Fischer Titration
Pharmaceutical products are often characterized by complex formulations. Difficulties observed during Karl Fischer determination are often caused by the limited solubility. In some cases side reactions have to be considered. In dependance of composition and properties of the formulations, various...
Determination of Water Content in n-Hexane Using Karl Fischer Titration
Summary application report for analysis of moisture in n-Hexane
Determination of Triglycerides and Waxes in Food Products Using Cool On-Column Injection and the MET-Biodiesel Capillary Column
Determination of Triglycerides and Waxes in Food Products Using Cool On-Column Injection and the MET-Biodiesel Capillary Column
Determination of Water Content in Acrylic Paint Using Karl Fischer Titration
Polymers are hardly or not at all soluble in the common Karl Fischer solvents. In order to extract the water trapped within the sample the plastic must be dissolved or swollen by means of an appropriate solvent to such an...
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