666 Results for: "HPLC STANDARD&amp"

Supplier: Upchurch Scientific

A precolumn filter placed between the sample injection valve and the HPLC column protects the column from particles originating in the sample and from pump and valve seal wear.

Supplier: Restek

Rtx®-DHA columns are ideal for DHA methods and easily meet or exceed both ASTM D6730-01 and Canadian General Standards Board CAN/CGSB 3.0 No. 14.3-99 requirements.

Supplier: Optimize

The entire EXP®2 stem trap and reusable holder are only slightly larger than a standard HPLC fitting. Its slim architecture allows it to easily fit into crowded instrument compartments or to connect directly to tightly-spaced injection ports.

Supplier: Biotium

Mixed isomers of carboxytetramethylrhodamine (TAMRA) free acid. The dye can be coupled to primary or secondary amines via standard peptide chemistry.

Supplier: Anaspec Inc

This kit consists of two calibration mixtures for calibrating mass scale in MALDI-TOF or ESI mass spectrometry. Calibration Mixture 1 ranges from 800 to 1800 daltons, and Calibration Mixture 2 from 1800 to 3800 daltons.
Sequence:
MW:
% peak area by HPLC:95
Storage condition:-20° C

Supplier: Thermo Scientific

Thermo Scientific Hypersil GOLD™ aQ Polar endcapped C18 preparative columns are perfect for challenging reversed phase separations using highly aqueous mobile phases. The columns come in a wide range of dimensions and an option for XtendedLife hardware which improves column lifetime by maintaining a uniform packed bed.

Supplier: AGILENT TECHNOLOGIES, INC (CSD)

Heat exchangers in different volumes, materials, and designs to fit your column compartment.

Supplier: AGILENT TECHNOLOGIES, INC (CSD)

Designed and application-optimized for the analysis of biodiesel to meet ASTM and EN testing standards.

Supplier: Buchi

Pure chromatography systems are extremely compact and can be used outside of the fume hood. Choose from flash systems or combination flash/prep HPLC capable of small to large scale purification of complex mixtures. UV detection is standard or choose to add ELS detection to detect all compounds.

Supplier: Chemglass

General purpose column has a PTFE stopcock and a top outer joint.

Supplier: Optimize

The entire EXP®2 stem trap and reusable holder are only slightly larger than a standard HPLC fitting. Its slim architecture allows it to easily fit into crowded instrument compartments or to connect directly to tightly-spaced injection ports.

Supplier: DWK Life Sciences (KIMBLE)

Designed to convert GL 45 threads to standard taper 40/35 inner joints.

Supplier: AGILENT TECHNOLOGIES, INC (CSD)

High-quality replacement supplies and components for diode array and multiple wavelength detectors.

Supplier: Ace Glass

This chromatograpy apparatus features a flask that increases the efficiency and standardization of neutral oil determination by: permitting automatic transfer of weighed crude oil samples onto alumina columns; and converting column operation to a semi-automatic level, thereby reducing the cost of operation

Supplier: Optimize

The OPTI-PAK®'s unique hardware design integrates a PEEK holder with an auto-adjusting stem which provides a fluid interface with any 10-32 standard injector port, and guarantees a zero-dead-volume connection despite variances in tube stop depth.

Supplier: Hamilton

Hamilton Company offers the most comprehensive selection of standard and custom syringes in the industry. Each is manufactured to achieve the highest level of accuracy and precision possible.

Supplier: Chemglass

These general purpose columns are designed with reservoirs of various listed capacities, PTFE stopcock and standard taper outer joint.

Supplier: DWK Life Sciences (KIMBLE)

The ULTRA-WARE® Reservoir System with reservoir bottles are made up of Type I, Class A borosilicate glass and PTFE cap body.

Supplier: Upchurch Scientific

NanoTight™ Fittings and Sleeves are designed to connect 70 µm - 1 mm OD capillary tubing to any standard 10-32 coned port normally intended for 1/16 in OD tubing

Supplier: Cytiva

Phenyl Sepharose 6 Fast Flow is a well-established, standard aromatic HIC medium for capture and intermediate purification requiring low to medium hydrophobicity.

Supplier: DWK Life Sciences (KIMBLE)

Gravity column manufactured from medium wall tubing with PTFE stopcock.

Supplier: Cytiva

Phenyl Sepharose 6 Fast Flow is a well-established, standard aromatic HIC medium for capture and intermediate purification requiring low to medium hydrophobicity.Two levels of substitution help find optimal selectivity and binding capacity for a given application.

Supplier: Thermo Scientific

The Thermo Scientific™ Acclaim™ Trinity™ P2 column is a high-performance, silica-based column specifically designed for separation of pharmaceutical mono- and multi-valent counterions by high-performance liquid chromatography (HPLC). This column was engineered for analytical chemists who need simple, robust, fast, generic methods. The Acclaim Trinity P2 columns provide an effective solution for counterion analysis using one column and one method on a standard HPLC instrument.

Supplier: Anaspec Inc

VIP (1−12), vasoactive intestinal peptide fragment 1-12 with a mass of 1425.5 da, is mostly used as a standard in mass spectrometry
Sequence:HSDAVFTDNYTR
MW:1425.5 Da
%Peak area by HPLC:≥95%
Storage condition: -20°C

Supplier: ALADDIN SCIENTIFIC

Product Description6-Amino-1-methyluracil is an amino derivative of uracil and its standard molar enthalpy of combustion has been evaluated. Host-guest complexation of 6-amino-1-methyluracil with tetrapropoxycalix[4]arene has been reported.Product Application6-Amino-1-methyluracil may be used in the preparation of 1,1′-di methyl-1H-spiro[pyrimido[4,5-b]quinoline-5,5′-pyrrolo[2,3-d]pyrimidine]-2,2′,4,4′,6′(1′H,3H,3′H,7′H,1′H)-pentaone, via reaction with isatin in the presence of catalytic p-toluene sulfonic acid.

Supplier: Chemglass

These general purpose columns are designed with reservoirs of various listed capacities, PTFE stopcock and standard taper outer joint.

Supplier: IBI Scientific

IBI provides a variety of alcohols in several different sizes to fit the needs of the smaller research lab to the high throughput manufacturing facilities. All IBI Alcohols meet stringent physical specifications and are functionally tested for DNase, RNase, and Protease. Packaging and shipping for IBI Alcohols meets DOT standards for maximum safety and economical transport.

Supplier: Hamilton

Hamilton Company offers the most comprehensive selection of standard and custom syringes in the industry

Supplier: CHEM-IMPEX INTERNATIONAL, INC

Adenosine-3'-monophosphate sodium salt ≥99% (by HPLC), Powder

Supplier: DWK Life Sciences (KIMBLE)

This filtration assembly are designed for routine filtration of organic solvents, corrosive liquids and the removal of particulates from HPLC solvents.