1445 Results for: "Chromasolv solvents for GC and GC headspace"

VWR® Aluminum Crimp Caps with Septa, 20 mm

Supplier: VWR Collection

VWR®, Chromatography vial closure, Aluminium, Ø: 20 mm, Headspace crimp caps with 350 °C max temperature, Septum: Red PTFE/silicone

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VWR®, Stoppers for Crimp Neck Headspace Vials ND20

Supplier: VWR Collection

VWR®, Chromatography vial closure, Butyl, Stopper, Hardness: —, Septum: Grey butyl, Thickness: —

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Acetonitrile ≥99.9%, BAKER ANALYZED® LC-MS for HPLC, for LC-MS, for UV spectrophotometry, J.T.Baker®

Supplier: Avantor

Pure, trusted chromatography solvents providing high selectivity, reproducibility and accuracy of results that come in a variety of grades such as HPLC, LCMS, ULTRA LCMS and PHOTREX.

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VWR® Screw Thread Headspace Caps, ND18

Supplier: VWR Collection

VWR®, Chromatography vial closure, PP, Ø: 18 mm, Screw polypropylene metal cap, Type: Central hole 8 mm, Septum: Red PTFE/white silicone

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Rankem® RanDisc™, Syringe Filters, PTFE Membrane

Supplier: Transene

These syringe filters are ideal for rapid and reliable ultra-cleaning of small volume samples for HPLC or GC analysis, which require an even more chemical resistant unit for solvents such as acetone dimethylformamide and DMSO or for aggressive aqueous liquids.

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VWR® Screw Thread Headspace Vials, ND18

Supplier: VWR Collection

Screw Neck ND18 vials manufactured from 1st hydrolytic class borosilicate glass with flat bottom. They can be purchased with a variety of polypropylene seal styles and septa materials.

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VWR®, Residual solvents (0861): Class 3

Supplier: VWR Chemicals

Residual solvents according to Chinese Pharmacopoeia.

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Solvent ASTM D2896, Chlorobenzene/Acetic acid-mixture (2/1 v/v), TBN solvent, VOLUSOL®

Supplier: VWR Chemicals

Solvent ASTM D2896, Chlorobenzene/Acetic acid-mixture (2/1 v/v), TBN solvent, VOLUSOL®

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Solvent ASTM D4739, Toluene : Propan-2-ol : Chloroform : water (10:10:10:0.3) (v/v/v/v) , Toluene/ Propan-2-ol/ Chloroform/ water, (10/10/10/0,3 v/v), VOLUSOL®

Supplier: VWR Chemicals

Toluene, propan-2-ol, chloroform, water (10/10/10/0.3 v/v) mixture for BN titrations.

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Titration solvent ASTM D-5776, VOLUSOL® ASTM D-5776

Supplier: VWR Chemicals

Titration solvent ASTM D-5776, VOLUSOL® ASTM D-5776

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Acetonitrile/Methanol/Water solvent kit for HPLC

Supplier: VWR Chemicals

Acetonitrile/Methanol/Water solvent kit for HPLC

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Titration solvent ASTM D-2710 / D-1159, VOLUSOL®

Supplier: VWR Chemicals

Acetic acid/ methanol/ dichloromethane/ sulphuric acid/ water used in the measurement of unsaturated hydrocarbons in petroleum distillates (71.4/13.5/13.5/0.3/1.6 v/v).

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Toluene : 2-Propanol : Water (49,5 : 50 : 0,5) % vol., VOLUSOL® titration solvent

Supplier: VWR Chemicals

Solvent for Total Acid Number (TAN) titration.

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VWR®, Residual solvent standards according to ICH guidelines

Supplier: VWR Chemicals

The level of volatile organic solvents in pharmaceutical raw materials or finished product is defined and monitored in accordance with ICH guidelines. Residual solvents are classified according to their risk assessment classes. A selection of residual solvent standards is now available from Avantor.

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Avantor® Hichrom, Inlet Solvent Filters

Supplier: HICHROM

These solvent inlet filters are used at the low pressure inlet side of the pump to help protect check valves, injector and column from particulate contamination from the eluent.

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Total base number titration solvent mixture ASTM D4739, Macron Fine Chemicals™

Supplier: MACRON AVANTOR BRAND

For ASTM D4739.

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Solvent ASTM D2896, Chlorobenzene/Acetic acid-mixture (2/1 v/v), TBN solvent, VOLUSOL®

Supplier: VWR Chemicals

Solvent ASTM D2896, Chlorobenzene/Acetic acid-mixture (2/1 v/v), TBN solvent, VOLUSOL®

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VWR®, Safety Caps

Supplier: VWR Collection

VWR® safety cap extracts solvents or mobile phases safely from the bottle or reservoirs without letting the hazardous vapour come out. It filters particulates in the air and prevents contaminants and dusts entering solvents.

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VWR®, Residual Solvents Class 1 According to Ph. Eur. Versions 8.8 and 10

Supplier: VWR Chemicals

The level of volatile organic solvents in pharmaceutical raw materials or finished product is defined and monitored. Residual solvents are classified according to their risk assessment classes. A selection of residual solvent standards is now available from Avantor.