COLUMNS - 1404 Annonces

Friday 14 June 2019

As a simple and fast absorption chromatography technique for the routine purification of organic compounds, flash chromatography is developed for the daily purification of reaction products in the lab, which is low costs and achieves separations of samples (0.01-10.0 g weight) in short time...

Friday 14 June 2019

Hawach introduced the properties and application range of HPLC column stationary phase in the silica gel matrix. Silica gel matrix: Silica gel, weakly acidic, has a strong memory, used to separate non-polar, weakly acidic compounds, oils, etc.; C18, a silica-based uncapped reversed-phase...

Thursday 13 June 2019

NH2 HPLC columns can be used in the positive phase or in the negative phase, but it should be noted that the positive phase solvent and the negative phase solvent are usually not mutually soluble. New NH2 HPLC columns are preserved in the positive phase environment under normal circumstances...

Tuesday 11 June 2019

Developed in the 1970s, flash column chromatography is the method of isolating and purifying a component from a mixture by passing the sample through the flash column filled with a gel. The inventors of flash column chromatography were using medium pressure chromatography and short...

Tuesday 11 June 2019

The installation of the HPLC column should be carried out in the following three steps: a. Unpack the HPLC column and confirm the type, size, date of manufacture, and solvent stored in the column. b. Unscrew the sealing plug from the joints at both ends of the column and put it back...

Tuesday 11 June 2019

Solid phase extraction (SPE) is a separation process by which compound that is dissolved or suspended in a liquid mixture, thereby being separated from other compounds in the mixture according to their physical and chemical properties. There are 4 general functions as below: 1.Matrix...

Thursday 06 June 2019

The main function of the microporous filtration membrane and syringe filter is to trap and filtering of the particles, bacteria and other impurities from the gas phase or liquid phase for separation, purification and purification purposes. The following factors should be considered...

Thursday 06 June 2019

The main function of the microporous filtration membrane and syringe filter is to trap and filtering of the particles, bacteria and other impurities from the gas phase or liquid phase for separation, purification and purification purposes. The following factors should be considered...

Thursday 06 June 2019

The fast liquid chromatography column optimization function, or “GO” function, converts the linear gradient into a step gradient and optimizes the elution conditions near the confirmed elution peak. First, purify a small portion of the sample with a small column and wait until the...

Thursday 06 June 2019

The empty column is assembled from column joints, column tubes, and filters. The HPLC columns joints are constructed with a low dead volume. The column joints are threaded assemblies at both ends, with 7/16-inch external threads on one end and 3/16-inch internal threads on the other...

Thursday 06 June 2019

As one of the useful sample preparation technique, solid phase extraction can prevent many problems, such as incomplete phase separations, recoveries with poor quantity, waste of expensive fragile glassware, and extra disposal of organic solvents, which you may occur if you use the...

Tuesday 04 June 2019

HPLC columns are manufactured and tested to exacting standards. If you use and maintain a liquid chromatography column with the following information, you will not only get better results but also extend the life of your HPLC column. Installation of HPLC columns: 1. First, check that...

Friday 31 May 2019

Flash Columns Series Flash Columns produced by Hawachhas three series as follows. StarFlash Only silica gel columns are optional with another two types of standard and high-grade level which has higher purity degree and better quality than the former. PureFlash Corresponding to silica...

Thursday 30 May 2019

Quantité : 1 - Prix : 1,00 €

Solid-phase extraction (SPE) is a useful method of sample preparation. By sorting onto a disposable solid-phase cartridge, it can concentrate and purify analytes from solution. But sometimes, the results are unsatisfied with the poor and non-repeatable sample recovery. To avoid it...

Thursday 09 May 2019

The feeding component is used for material automatic feeding includes assembly automation screw feeders, automatic supplement machine and material hopper machine, etc. The screw feeding machine completes different length of screw feeding and works with the automatic screwing machine...

Thursday 09 May 2019

The screw feeding machine works with automatic locking screw machine can replace the traditional screw vibration bowl, it can feed different lengths of screw or column material in the same posture continuously. The feeding quantity in one time can be customized to 1-6. Machine features...

Friday 03 May 2019

Description of Sit Stand Desk Converter： Sit stand adjustable computer desk converter can turn your desk into a healthy workstation in a few minutes. Independent sit-up workstation supports single, double, three, or four panel displays and function button height adjustment. This Workstation-...

Tuesday 30 April 2019

Description of One Motor One Leg Electric Height Adjustable Standing Desk: One motor one leg electric adjustable standing desk is suitable for platform. Supported by YN-D07 environmental control box, it can be easily moved to the desired height by pressing a button on the controller...

Monday 29 April 2019

C1 HPLC columns are made of ultra-pure silica gel, unique stationary phase bonding technology. High column efficiency, good peak shape symmetry, wide pH range. C1 HPLC Columns Localisation : Xi'an City , Shaanxi Province, P.R.China, 710077 Xi'an, Personne à contacter : Bruce Lu, +86...

Sunday 21 April 2019

Storage rack beam is also known as cross beams, these Trays, steel rails are connected to the teardrop upright column to form a safe level of pallet storage. Beams can finish your pallet rack system when ordering with frames and wire decks. Structure Of Equipment The main components...

Friday 22 March 2019

Kit House is a kind of highly factory prefabricated modular house, which can be quickly. K is the modular size between columns, 1K = 1820mm. Kit House can be made maximum 3 floors. - Size of House The standard wideness can be 3k, 4k, 7k or 9k. The Length can be any size less than 25k...

Friday 22 March 2019

Roha LCD display has a thin-profile design and the width of its screen-to-screen bezel is small. The appearance of “seams” on the video wall is minimized by this design, and the immersive visual experience is developped. Through using the seamless LCD screen which is high-definition...

Saturday 02 March 2019

ABS Plastic Locker T-280E plus T-280S Combo, 7 or 8 tiers lockers, 3 and above columns combined; 21 doors, 24 doors mini-lockers for personal belongings and ideal storage cabinet. Flexible Configurations - ABS plastic lockers are modular; each unit could consist of flexible tiers...

Saturday 02 March 2019

Heavy Duty Plastic Locker T-H385L/2, 2 doors or 4 doors Strong HDPE Locker. This locker has unique advantages over steel lockers and wood lockers. They are ideally used as water-park lockers, school lockers, swimming pool lockers, factory lockers, beach lockers among others. HDPE Locker Feature...

Saturday 02 March 2019

Heavy Duty Plastic Locker T-H385L/4, 4 doors or or 8 doors Strong HDPE Locker. This locker has unique advantages over steel lockers and wood lockers. They are ideally used as water-park lockers, school lockers, swimming pool lockers, factory lockers, beach lockers among others Item No...

Sunday 17 February 2019

Diamond core portable diamond drill rig which is also named as core drill stand, core drill holder. It consists of a vacuum or non-vacuum base, column and carriage. It is an indispensable part of diamond core drilling system. If you are going to drill holes with more than 100mm in diameter...

Friday 01 February 2019

Quantité : 10 - Prix : US$425.00

F189010 print head unlocked/lokced dx7 printhead for Epson dx7 printer Roland VS/RS/FH 540/640/740 Specification of DX7 Printhead Place of origin Japan Printing Type Eco solvent printing head Use for Mimaki Roland Mutoh Printer/Chinese Eco solvent printer Number of Nozzles 1440 Nozzle...

Tuesday 22 January 2019

Prix : 0.5~6 USD

CBB65 AC Motor Capacitor( Column, Aluminum case, Explosion-proofed) Features: - Widely applied to the starting and running of AC single-phase motors at 50Hz/60Hz frequency power. - Self-healing property. - High stability and reliability - Safer with Explosion-proofed design. Application...

Thursday 06 December 2018

Quantité : 1 - Prix : 1 999,00 €

Application : Single wing drop impact tester is used to measure the dropping impact incidence when the package in using, transportation and decorating. Besides precision plane drop testing, it also can undertake edge and angle test to ensure the complete performance evaluation for the package...

Saturday 17 November 2018

Quantité : 100 Meter/ - Prix : US $2-6 / Meters

Material: Metal, 201&304&316 stainless steel Color: Silver, Golden, Rose Gold, Black Titanium, Red Copper, Champagne, Bronze, Sapphire, other customized color Surface treatment: 8K mirror, hairline ,Shiny, Matt, etching, Embossing, Anti-fingerprint , Or customized Thickness: 0...