VOLATILE - 475 Anuncios

Jueves 07 mayo 2020

Cantidad : 400 sets/y - Precio : $30000~300000/set

Material handling auxiliaries include material storage and transportation,mixing and metering, transportation and special treatment to the main downstream extrusion equipment, forced feeding of special materials during extrusion, collection and treatment of moisture and low molecular...

Lunes 09 marzo 2020

The QuEChERS method has the following advantages : (1) high recovery rate, which is greater than 85% for a large number of polar and volatile pesticide varieties;(2) high accuracy and accuracy, can be corrected by internal standard method;(3) a wide range of analyzable pesticides...

Miércoles 22 enero 2020

The sealing property of the headspace vial is better than that of the threaded vial, and the rubber or silica gel has good re-sealing after the puncture, so it is ideal to preserve the reagents. If some of the organic solvents in use will corrode the silicone or rubber bottle pad...

Lunes 20 enero 2020

As we know, five steps required for solid phase extraction cartridge: sample preparation, activation or equilibration of the column, loading, rinsing and eluting the compound of interest. There is no uniform regulation for that the solid phase extraction cartridge should be activated...

Viernes 03 enero 2020

Cantidad : 100000PCS - Precio : USD0.1~3.00

Prior to the invention of the foam pump, the foam was usually ejected from the product in the form of an aerosol, i.e., the liquefied gas was used to swell the effluent to form a foam, or the post-foaming agent was used to cause the squirted colloid to form a foam. Products Description...

Viernes 13 diciembre 2019

At present, Hawach concentrates on producing these following vials, with the most professional and advanced technique. Crimp top sample vials. Headspace vials. Screw thread top sample vials. Snap top sample vials. Storage vials. Besides, it also produces septa and cap for crimp top sample vials...

Miércoles 11 diciembre 2019

The quality of a vacuum pump depends on its mechanical structure and the quality of the oil. It must be protected when using a vacuum pump. If the organic solvent with high volatility is distilled, the organic solvent will increase the vapor pressure by the oil absorption, thereby...

Lunes 30 septiembre 2019

SPE is a kind of sample production technology which is more and more useful in which many problems related to liquid and liquid extraction could be avoided, such as the incomplete separation, non-quantitative recycle, the use of expensive and fragile glass vessels, massive organic...

Lunes 23 septiembre 2019

The reason for the QuEChERS matrix effect in the liquid state is generally considered to be due to the non-volatile components in the matrix and the substance to be tested, which competes in the ionization process. The matrix effect in gas phase temperament is generally attributed...

Viernes 30 agosto 2019

Cantidad : 100pcs - Precio : 5.05usd

- Los sellos y viales de tapa de crimpado de aluminio de 20 mm garantizan que se realice un sello adecuado para esta exigente aplicación - Los viales se fabrican con vidrio borosilicato transparente, tipo 1 A o ámbar, tipo 1 clase B e incluyen un parche de escritura para la identificación...

Jueves 15 agosto 2019

Bottle-top dispenser, also known as bottle-top distributor and bottle-top pipette, is an instrument for accurately measuring liquid chemicals. It is generally divided into automatic bottle-top separator, continuous bottle-top separator, glass separator, bottle-top separator, bottle-top...

Lunes 05 agosto 2019

How important it is to conduct your own experiments with a handy pipette! However, even the most perfect instrument needs proper operation and maintenance. When using a pip ette, we should pay attention to the following points: 1. Do not turn the button out of the range; otherwise...

Sábado 13 julio 2019

Lab Water Chiller SUNDI -60℃~300℃ A fully closed piping design, high efficiency plate heat exchanger used to reduce the demand for the thermal fluid utilization while providing the system to achieve the rapid ups and downs in temperature The whole system is a closed liquid circulation...

Lunes 08 julio 2019

SPE Technique Introduction SPE(Solid-phase Extraction), is an increasingly popularized technology of sample pretreatment, which is established on the basis of traditional LLE(Liquid-liquid Extraction). Combined with the substance interaction mechanism that like dissolves like, and...

Viernes 05 julio 2019

The equipment and equipment in the laboratory are as comprehensive as the natural world. They say that the sparrows are small and complete, but in the laboratory, the same small but indispensable instrument has a micropipette</ strong> for biochemistry. An essential tool for...

Lunes 01 julio 2019

- Low VOC Silicone Modified Polyurethane Conformal Coating - L325 - - FEATURES OF GOLOHO-L325 - ·Convenient to use: organic silicon modified polyurethane type, good waterproof, easy to repair. ·Neutral, no corrosion for many metals, anti-yellowing. Outstanding bond strength for...

Viernes 21 junio 2019

1. Capacity setting For the adjustable pipette, it is usually operated in the range of 10% to 100%. The optimal pipetting capacity is in the range of 35% to 100%. At this time, it is less affected by the operation technique and can better protect the pipetting. Accuracy and precision...

Jueves 20 junio 2019

Basic Knowledge of Vacuum Filtration Based on the principle that under the same pressure (vacuum degree), the vaporization temperature of the water is lower than that of oil, scientists make practical equipment which is called vacuum filter. In fact, vacuum filtration is the most...

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...

Viernes 07 junio 2019

Pipettes are common and necessary laboratory equipment in the laboratory, and the experimenter must be very cautious about their daily use. However, many people will ignore the related maintenance and maintenance of the pipette after use. Precautions for maintenance: 1. Regularly...

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...

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...

Viernes 29 marzo 2019

Cartridge mechanical seal is the rotary ring, stationary ring, spring, auxiliary seal, bushings, glands, Gasket and static seal, total 7 components together into a collection. Therefore, the installation of the machine is more convenient, faster, reliable, welcomed by users all over the world...

Jueves 19 julio 2018

Precio : 1 million to 100 mil

Oil and gas refers to a combustible, explosive and poisonous gas mixture that is comprised of various volatile hydrocarbon components letting out through evaporative emission in the process of handling and storage of diversified oil products. If discharged directly, oil gas will not...

Sábado 24 marzo 2018

We offer silver liquid metallic mercury 99,999% for industrial and mining purposes. We quote competitive market prices, high quality of mercury and fast delivery. Prices depend on the order quantity. Product specifications: CAS: 7439-97-6 Origin: Russian Federation Purity, %, min: 99...

Miércoles 14 marzo 2018

The ACORE higher vacuum thermally accelerated Transformer Oil Dehydration Treatment Plant is really a widely approved and more affordable method of treatment associated with electrical insulation fluids to improve and maintain their own dielectric power. The purification treatment...

Miércoles 14 marzo 2018

The ACORE higher vacuum thermally accelerated Transformer Oil Filtration Machine is really a widely approved and more affordable method of treatment associated with electrical insulation fluids to improve and maintain their own dielectric power. The purification treatment includes...

Domingo 21 enero 2018

Cantidad : 1 TONS - Precio : NEGOTIATION

Brominated Polystyrene Application: This flame retardant provides outstanding thermal stability and electrical performance. It is particularly suitable for engineering plastic applications such as polyesters(PET,PBT,PCT)and polyamides(nylons).It has outstanding thermal stability ...

Sábado 16 diciembre 2017

Cantidad : 2000pieces - Precio : Based on FOB Shangha

PU8635 Sellador de poliuretano sin olor para el reemplazo del parabrisas PU8635 es un adhesivo de poliuretano de un componente utilizado en la unión y sellado del parabrisas. Características principales 1. Sin olor volátil, sin olor después de la aplicación del automóvil 2. Excelente...

Martes 28 noviembre 2017

- Laser Engraving Machine - Laser engraving machine is numerical control equipment which uses the laser as engraving energy. It is a composite product which combines mechanical, electronic and high-tech laser tubes. It integrates engraving and cutting function into one. Laser engraving...