1537 Results for: "nmr solvent bdh"

BAKER ULTRA RESI-ANALYZED® Reagent—ultra high-purity solvents and salts developed for organic residue extraction/concentration procedures. These solvents are fully characterized and lot controlled by ECD, FID, or other method-specific detectors. Advanced stabilizer systems are incorporated to ensure solvent stability and superior performance Solvents are suitable for exacting EPA sample cleanup protocols.

Sustainable Options Available

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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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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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Stopper, rubber, plug-type, KIMBLE®

Supplier: KIMBLEKONTES

These stopper fits into the neck of the apparatus. Ideal for outgassing NMR tubes, pressure venting and addition of reactants via syringes.

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pH indicator test strips, BDH®

Supplier: BDH US PRODUCED

These test trips are used for rapid pH testing directly at the point of interest. Suitable for careful testing of dangerous, poisonous and aggressive liquids as the long handle prevents fingers from coming into contact with the sample.

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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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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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Avantor® Hichrom, Inlet Solvent Filters

Supplier: Avantor

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

Supplier: MACRON AVANTOR BRAND

For ASTM D4739.

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White spirit, 150…200 °C, SPECTRONORM® for atomic absorption spectroscopy

Supplier: VWR Chemicals

SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.

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J.T.Baker®, Cycle-Tap Sampler

Supplier: Avantor

Cycle-Tap sampler is a device for sampling small quantities of solvent.

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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.