RATES - 8026 Annonces

Mardi 06 août 2019

Ion-exchange solid phase extraction is widely used in biological samples and environmental monitoring. During the extraction process, the pH of the sample is adjusted so that the solute is easily ionized. The solute is exchanged from the resin by changing the pH or increasing the...

Lundi 05 août 2019

One of the main factors affecting the life of the liquid chromatographic column is the mobile phase. There are three aspects of the mobile phase factors. The pH value of the Mobile Phase The fillers of different substrates apply to different pH value range. Under normal temperature...

Samedi 03 août 2019

Since July, the demand for sand and gravel has continued to rise, and the price of sand and gravel has risen linearly. Many people are optimistic about the opportunity to build a mechanism sand plant. Take the river pebble as an example. How much profit does a ton of river pebble make...

Samedi 03 août 2019

Quantité : 10000PCS/m - Prix : 25 USD above

Overview Iammeter is a dedicated remote energy monitoring system developed by us, to which you can connect your own Modbus energy meter and then start to monitor the electricity usage for your household electricity system, or commercial electricity system, or industrial electricity...

Samedi 03 août 2019

Quantité : 10000PCS/m - Prix : 25 USD above

Inverter Data logger Introduction Inverter data logger is mainly used in distributed PV power station. It records inverters' operation status and the generated power to make a long-term monitoring of the PV system. As a high cost performance product, inverter data logger for solar...

Samedi 03 août 2019

In the application of membrane separation technology, the microporous membrane is the most widely used membrane variety. It is simple and fast to use and is widely used in many fields such as scientific research, food testing, chemical industry, nanotechnology, energy, and environmental...

Jeudi 01 août 2019

There are two different cases of retention time: retention time drift and retention time fluctuations. The former means that the retention time changes only in one direction, while the latter refers to the fluctuation of the retention time without a fixed law. It is often helpful...

Jeudi 01 août 2019

Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency, and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...

Jeudi 01 août 2019

QuEChERs is a sample treatment and purification technology for the detection of multiple pesticide residues in high-water-content food. Because it simplifies the previously complex extraction procedures and expands the scope of the extracted pesticide residues, QuEChERs becomes an...

Jeudi 01 août 2019

It is important for the experimenters to use and maintain chromatographic columns correctly. They should focus on many some things so as to protect the columns in the using process. Here we talk about several attentions. Avoid changing pressure and temperature dramatically and any...

Mercredi 31 juillet 2019

Diamond is a mineral made of pure carbon and the hardest substance in the natural world. It can not only be processed into valuable jewelry but also has great potential in the industry. It features high thermal stability, high chemical stability, good electrical conductivity and good...

Mardi 30 juillet 2019

Increasing the rate of filtration through the force on the solution over gravity, vacuum filtration is an operation of evacuating the air below the filter paper to maintain the pressure differential across the filter medium. It is widely applied in the laboratory for various tests...

Vendredi 26 juillet 2019

Thenow standing ductless energy recovery ventilator with ESP Syetem-CF Series has two types air supply mode,they are straight blow and pipe blow. 550CMH and 1000CMH air flows are available now. Features of Floor Standing Ductless ERV With ESP System LCD control with touch screen...

Mardi 23 juillet 2019

Main introduction of Fire clay bricks Fire clay bricks refer to refractory bricks containing Al2O3 more than 38%, which is made of high grade bauxite through high temperature calcinations. Advantages of Fire clay Bricks 1. High refractoriness. 2. Good spalling resistance and wear resistance...

Lundi 15 juillet 2019

Laboratory data show that the optimum flow rate of silica gel flash columns is decided by the length and width of columns and the property of gel. To be more specific, longer and narrower columns will provide more theoretical plates which are able to affect the flow rate. When referring...

Lundi 15 juillet 2019

The solid phase extraction cartridges (SPE column, or Solid Phase Extraction Cartridges, or SPE cartridges for short) is a sample pretreatment device for extraction, separation and concentration developed from a chromatography column. Mainly used in sample pretreatment of various foods...

Samedi 13 juillet 2019

Use high temperature resistant low-temperature magnetic drive pump or a leak-free high and low-temperature shield-driven pump, reduce the risk of system leakage. At the same time, the screw water chiller system has the advantages of low noise and big traffic flow. Typical application...

Samedi 13 juillet 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...

Samedi 13 juillet 2019

It is important to choose the suitable heat conduction medium, to make sure that system works stably. To choose the suitable medium according to the working temperature of the system is essential. How to Determine Freezing Water Flow Rate? A lot of people will ask such a question...

Jeudi 11 juillet 2019

The polyethersulfone (PES) syringe filter with the feature of low protein binding and has excellent flow rates is mainly used for sterilizing or clarify viscous proteinaceous solutions especially in the life-science applications biological and pharmaceutical labs, this is because...

Mercredi 10 juillet 2019

Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...

Mardi 09 juillet 2019

Polymeric MCX SPE cartridges are used to extract strongly alkaline compounds. MCX is a mixed strong cation exchange adsorbent obtained by bonding sulfonic acid groups on highly crosslinked PS/DVB surface. It has both reverse phase and cationic exchange retentive properties and good...

Lundi 08 juillet 2019

The laboratory vacuum filter unit is designed for laboratory users to filter solid-liquid separation of liquid samples. Stai nless Steel Vacuum Filtrations operation steps: 1. Place the glass filter bottle on the stainless steel vacuum filtrations and insert the silicone plug of...

Lundi 08 juillet 2019

First, the continuous polypropylene long fibers produced by the melt-blown process are wound with polypropylene as raw material. Second, high filtration accuracy, large flow rate, uniform structure, large contamination capacity, and long service life. Third, good chemical compatibility...

Lundi 08 juillet 2019

People should face are a lot of problems when using SPE cartridges. As a consequence, we will talk about why the cartridge has a low recovery rate in the experiments. The first reason for the low recovery rate is that the target object does not remain sufficiently on the fillers....

Dimanche 07 juillet 2019

Performance characteristics of low temperature chamber： 1. In the refrigeration system, the condensation adopts air cooling mode, which has a wide temperature control range, which can meet the user's various needs. 2. With a unique balanced temperature control method, with stable...

Vendredi 05 juillet 2019

Hawach scientific is a professional vacuum pump manufacturers, product quality through a number of international standards, and exported to more than 120 countries all over the world. More detail information and quotation about the products contact with info@hawach.com. Diaphragm...

Vendredi 05 juillet 2019

1. Product No., for example BIO-1. 2. Pore size and flow rate, The bigger pore size, the quicker flow rate. Fast: 60-100S/100ML @ 80-120μm Medium: 100-160 S/100ML@30-50μm Slow：160-200 S/100ML @ 1-3 μm But filter paper is different from filter membrane, the pore size cannot be a certain value...

Jeudi 04 juillet 2019

Prix : US $1 - 3,000 / Set

The bronze balancing valve is required to maintain the flow of these or end equipment at all times within the working differential pressure range. As the system pressure fluctuates, the valve will automatically move up and down to change the opening, thus keeping the pipeline flow constant...

Jeudi 04 juillet 2019

The filler of polymeric HLB SPE cartridges produced by a special copolymerization technology contains a certain proportion of the hydrophilic group and the hydrophobic group. Hydrophobic divinyl benzene structures retain nonpolar compounds and hydrophilic n-vinyl pyrrolidone structures...