4|CEO|SOLVENT - 1292 Anuncios

Miércoles 19 junio 2019

SPE cartridges, with a full name of Solid Phase extraction cartridges, is also called the SPE column( solid phase extraction column). The solid phase extraction column/cartridges is a pretreatment device for the sample being analyzed, which developed from the chromatographic column...

Martes 18 junio 2019

Hawach glass solvent filters is an important part of laboratory filtration, and many customers often encounter cleaning problems when using glass solvent filters. The conventional cleaning methods mainly include the following: 1. Soaking with an acidic solvent: The advantage of this...

Martes 18 junio 2019

A more efficient way to extract compounds from solid materials—Soxhlet extraction (also known as sand extraction). In the laboratory, Soxhlet extractor uses solvent reflux and siphon principle, so that the solid substance is continuously extracted by pure solvent, which saves solvent...

Sábado 15 junio 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Viernes 14 junio 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...

Viernes 14 junio 2019

Capsule filter, which is also called disposable filter, is composed of the outer shell and the filter. The outer shell is usually made of high temperature polypropylene material. This kind of polypropylene material on the surface of the capsule filter does not contain adhesives and...

Jueves 13 junio 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...

Jueves 13 junio 2019

Introduction of Hawach scientific filtration manifold Multifilter is designed and manufactured for the simultaneous filtration of multiple samples. At present, when the laboratory carries on the filtration to the solution, generally USES the glass material sand core filtration device...

Jueves 13 junio 2019

It's important to know the way to choose the right syringe filter for filtration. And the membrane materials used for manufacturing syringe filters often determine your choices. Let's learn the different types of membrane materials for filtering in the lab. As the most popular membrane...

Miércoles 12 junio 2019

A few days ago, I wrote a summary of the filter membrane. Many customers said that no product had no truth. So what I wrote today is a product that needs to be used in combination with microporous filter membrane – the solvent filter device. Technical parameters The solvent filter...

Martes 11 junio 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...

Martes 11 junio 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...

Martes 11 junio 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...

Jueves 06 junio 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...

Jueves 06 junio 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...

Jueves 06 junio 2019

The glass fiber filter is chemically inert and contains no binder. It is made of 100% borosilicate glass fiber. It has a capillary structure, can absorb more water than the same cellulose filter paper, has the characteristics of fast flow rate, high-temperature resistance and strong...

Jueves 06 junio 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...

Jueves 06 junio 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...

Miércoles 05 junio 2019

Hawach summarized the advantages of QuEChERS in eight aspects. 1. Recovery Rate QuEChERS technology has the advantage of high recovery rate. Experimental data show that the recovery rate of large quantities of polar and volatile pesticides by QuEChERS is above 85%. 2. Accuracy Laboratory...

Martes 04 junio 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...

Lunes 03 junio 2019

Leveraging upon our experience, we have become a prominent Anti-Algae & Anti-Fouling Coatings (RTV-ZB) Manufacturer, Exporter and Supplier in China and rest of the world. Applicable for flash-over & algae prevention, our well-formulated anti algae coating and anti fouling...

Jueves 30 mayo 2019

Cantidad : 1 - Precio : 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...

Viernes 24 mayo 2019

Cantidad : 500L - Precio : 400$ / 1L

Bonjour, Nous sommes une société de production et vente en gros de huile de pépins de figue de barbarie base à Tunisie. Nous distribuons nos huile conditionner et en vrac. %100 Pure et naturelle, vierge, première pression à froid , sans aucun solvant chimique. Prix : 400$ / 1L Certifiée...

Domingo 21 abril 2019

Canola oil press machine is mainly composed of electrical control, automatic heating, adjustment, transmission, and vacuum oil filter. The screw is carburized by alloy steel to enhance surface hardness and wear resistance. The platters are ground by the surface grinding machine. It...

Jueves 18 abril 2019

Plastic HDPE Shampoo Bottles Description: Classic cylindrical shape, small size, and large capacity. The anodized silver bottle cap is more luxurious. High-quality HDPE using temperature is 100 ℃; Hardness, tensile strength, and creep were better than low-density polyethylene. Good...

Viernes 01 febrero 2019

Cantidad : 30 - Precio : US$325.00

To be used with Roland SOLJET ProII SJ-540,SJ-645EX,SJ-655EX,SJ-740,SJ-745EX ,SJ-1045EX, SJ-1000,SC-540,SC-545EX, Roland VersaCAMM SP-300V, SP-540V, VP-300I, VP-540I, Roland SOLJETPRO III XJ-640, XJ-740, XC-540, XC-540W, XC-545MT. Roland VersaArt RS-640 Mimaki JV3(jv3-130, JV3-130sp...)

Viernes 01 febrero 2019

Cantidad : 30 - Precio : US $375.00

Epson DX4 Printhead Eco-Solvent Mimaki Compatibility: Mimaki JV3-130S / JV3-130SL / JV3-160S / JV3-160SP / JV3-250SP / JV3-75SPII / JV3-130SPII / TX2-1600 Epson DX4 Printhead Eco-Solvent Mimaki The Epson DX4 Solvent print head is suitable for MIMAKI eco-solvent and mild-solvent printers...

Viernes 01 febrero 2019

Cantidad : 20 - Precio : US$375.00

Number MY-44743. It includes the special bracket required on Mutoh printers. Rockhopper II Head Assy - MY-44743 Original Mutoh RH-II/RH-3 Eco Solvent DX4 Printhead-MY-44743 Number MY-44743. It includes the special bracket required on Mutoh printers. The Rockhopper II printhead assy...

Viernes 01 febrero 2019

Cantidad : 20 - Precio : US$875.00

Cheap and New EPSON Printhead FA12000 / FA12060 / FA12081 - for EPSON SC-B7080 / SC-F6080 EPSON Printhead FA12000 / FA12060 / FA12081 To be used with: EPSON SC-B7080 / SC-F6080 / SC-F7080 / SC-B6080 / SC-F7180 / SC-F6070 / SC-F7070 / SC-F6000 Ubicación : Mall Bumi Kedaton Lantai 2 No...

Viernes 01 febrero 2019

Cantidad : 10 - Precio : 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...