PROCESS - 17472 Annonces

Mardi 13 août 2019

Pipettes are widely used in the laboratory. Proper operation and use of pipettes can improve work efficiency. What are the six common operational misunderstandings of pipettes? Pipettes are widely used in laboratories. The correct operation and the use of pipettes can improve work efficiency...

Lundi 12 août 2019

Syringe filter is a kind of filter connected to the front of the syringe. When the experimenters deal with the chromatographic samples with syringe filter, they should pay attention to avoiding bringing impurities in the process of filtration. One reason for the appearance of such...

Lundi 12 août 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Lundi 12 août 2019

Solid phase extraction principle Solid phase extraction is a separation technique that combines selective retention, selective elution, and the like. When a complex sample solution passes through the sorbent, the sorbent selectively retains the aimed compound and a small number of...

Dimanche 11 août 2019

From "removing and dismantling" to "construction", what can construction waste do when it is crushed? In recent years, with the acceleration of urbanization, projects such as road construction, building expansion, old city reconstruction, and infrastructure projects have been increasingly...

Samedi 10 août 2019

Quantité : Proofing b - Prix : 200-1500CNY

What is High Tg PCB When the temperature rises to a certain area, the substrate will change from "glass state" to "rubber state", and the temperature at this time is called the glass transition temperature (Tg) of the plate. That is, Tg is the highest temperature (°C) at which the...

Samedi 10 août 2019

Quantité : Proofing b - Prix : 200-1500CNY

Custom high frequency pcb from professional high frequency pcb company china shenzhen with factory price in low cost. The high frequency of electronic equipment is a development trend, especially in the development of wireless networks and satellite communications, the high-speed...

Samedi 10 août 2019

Quantité : Proofing b - Prix : 200-1500CNY

Among the large-scale use of PCI and optical modules and cable sockets, the gold fingers PCB has been divided into: long and short gold fingers, broken gold fingers, split gold fingers, gold finger plates in the process of processing, need to pull gold-plated wire, conventional gold...

Samedi 10 août 2019

Quantité : Proofing b - Prix : 200-1500CNY

In order to make electronic communication technology have a higher speed development. High-quality high-speed transmission, many of today's communication equipment have begun to use high-frequency multi-layer PCB. The material of multi-layer high-frequency circuit boards has excellent...

Samedi 10 août 2019

Quantité : Proofing b - Prix : 200-1500CNY

Half hole pcb: The walls of the PTH holes on the PCB are plated with Half-hole formed by smooth and complete metal forming.The Half hole process on the edge of the board is already a mature process in PCBSKY PCB manufacturing processing. How to control the quality of the product after...

Samedi 10 août 2019

Quantité : Proofing b - Prix : 200-1500CNY

Custom blind and buried vias fabrication from professional and experienced pcb board supplier at low cost. First of all, we start with traditional multi-layer boards. The structure of a standard multi-layer circuit board is a process including an inner layer line and an outer layer line...

Vendredi 09 août 2019

Prix : 1000-6000USD

Laser projectors use laser beams to transmit images. The optical components of the laser hologram projector are mainly composed of RGB light valve, X prism, projection lens and drive light valve. The laser beam passes through the corresponding optical elements and the beam expansion...

Vendredi 09 août 2019

Vacuum pump use precautions The function of the vacuum pump is to remove gas molecules from the vacuum chamber and reduce the gas pressure in the vacuum chamber to achieve the required vacuum. In general, there is a large range from atmospheric to very high vacuum, and so far no vacuum...

Vendredi 09 août 2019

- Some Tips In QuEChERS D-SPE? - Why choose anhydrous magnesium sulfate as a water remover? In the d-SPE purification process, the moisture content plays a crucial role in the purification effect of PSA. The lower the moisture content, the better the purification effect of PSA. Experiments...

Vendredi 09 août 2019

What is the bottle-top dispenser? During a scientific experiment, a bottle-top dispenser can indicate its excellent precision and high-repetition of separating operation without wasting solvents. While handling with some corrosive liquids or solvents, it provides safety assurance...

Jeudi 08 août 2019

Considering the comparative simplicity and maturity of the glass vial, customers rarely complain about its quality. However, the applicability of the autosamplers is actually essential to big manufacturing companies. Severely in terms of International Standard, vials of Hawach are...

Jeudi 08 août 2019

Most common SPE cartridges are injection syringes made of polyethylene, in which there are two plugs made of polypropylene or fiberglass, with a certain amount of chromatographic adsorbent (filler) between the two plugs. SPE cartridges without sieve plate 1. Avoid “non-specific adsorption” 2...

Mercredi 07 août 2019

8079 aluminum foil technical specifications: 8079 aluminum foil is an aluminum foil with high strength, good elongation and good stretchability. 8079 aluminum foil not only has the advantages of moisture-proof, air-tight, shading, abrasion resistance, fragrance preservation, non-toxic...

Mercredi 07 août 2019

Pipe ttes are often used to remove a small amount of liquid in the laboratory. Micropipette first appeared in 1956, invented by Schnitger who is a scientist of the Institute of physiology and chemistry, Germany. Pipettes of different specifications are equipped with different sizes...

Mercredi 07 août 2019

Quantité : At least o - Prix : 50-150000 USD

Stationary scissor lift AL1 AL2 AL3 Designed for industrial heavy duty applications(as part of a production process,for machine feeding or stacking etc.). Double acting hydraulic cylinders. Lifting limit switch. Aluminum table frame protects workers from injury by cutting off power...

Mercredi 07 août 2019

Food safety testing is a major issue related to people's livelihood. In recent years, the QuEChERS method has been widely used in the pretreatment of food safety detection samples. In addition, the method has been applied to trace analysis. QuEChERS Application The international application...

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

Quantité : 500 tons

316L Stainless Steel Pipe Material 304: 0cr18ni9, 0cr17ni8 201: 1cr17mn6ni5n,1cr13mn9ni1n 316: 0cr17ni12 or as customer's request Size(round pipe) 9.5, 12.7, 15.9, 17, 18, 19.1, 20, 21, 22.2, 23, 25.4, 28, 318, 35, 60, 63.5, 73, 76.2, 88.9, 10 1.6, 114.3, 127, 133, 159, 168...

Lundi 05 août 2019

Quantité : 10000 tons - Prix : 590 usd/ton

NM400 abrasion resistant steel plates Abrasion Resistanct Steel（Wear-resistant steel ）is a special steel . It began in the second half of the nineteenth century. Due to its strong work-hardening ability under the condition of large impact abrasive wear. good ductility and plasticity...

Lundi 05 août 2019

Bottle-top dispenser, also known as a bottle-top distributor and bottle-top pipette, is an instrument for accurately measuring liquid chemicals. Hawach Bottle-top separator is suitable for general acid and alkali, low concentration strong acid and alkali and salts. The specific steps...

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...

Vendredi 02 août 2019

Quantité : 10 - Prix : 20,00 €

ORGANICA GROUPE , le leader de l'exportation de l'huile d'argan et des cosmétiques naturels du Maroc. Nous sommes des fabricants et exportateurs de produits cosmétiques organiques naturels à base d'huile d'argan 100% pure CCPB et USDA. Nos nombreuses années d'expérience nous ont permis...

Jeudi 01 août 2019

The ceramic microfiltration membrane element ( MF membrane) is made from alumina and zirconia which is an asymmetric membrane structure with multi-channel tubular shape. The pore is on the channel. Driven by operation pressure, the liquid is running in the membrane. The part less...

Jeudi 01 août 2019

The flat sheet ceramic membrane is a new type of high temperature plate porous ceramic membrane, which is prepared by high temperature sintering process using inorganic materials such as alumina. Compared with the organic film, ceramic flat membrane has the advantages of good chemical stability...

Jeudi 01 août 2019

As a core technology, JIUWU has become the largest ceramic membrane element producer and a world leader in cross-flow filtration. Electrodeionization (EDI) is a kind of pure water manufacturing technology which combines ion exchange technology , ion-exchange membrane technology and...