LIQUID＆VISCOUS - 5699 Annonces

Mercredi 25 septembre 2019

The pipette is a kind of accurate instrument for quantitative transferring and weighing liquid in biology and chemistry laboratories. The most relative element to keep the pipette accurate is tightness. There are several main factors affecting the tightness of the pipette. The first...

Mercredi 25 septembre 2019

The vacuum filtration operation, that is, suction filtration, is an operation of reducing the pressure in the suction filter bottle by means of an air pump to achieve the purpose of solid-liquid separation. The device requires a Buchner funnel, a suction filter bottle, a hose, an air pump...

Mercredi 25 septembre 2019

Knowledge of QuEChERS Quick, Easy, Cheap, Effective, Rugged, Safe are generally abbreviated to QuEChERS. It is a sample pretreatment method for agricultural product detection. It is used to absorb and remove impurity, and the operational principle is similar to high-performance liquid...

Mercredi 25 septembre 2019

Please read following instructions carefully before the operation in case of any danger or degraded performance of bottle-top dispenser. Operation procedures 1. Insert both inlet and outlet and then tighten screws; 2. Remove cap and place it under outlet pipe; 3. Turn knob to intended...

Mercredi 25 septembre 2019

Quantité : 1-200ton - Prix : 10usd

We have high voltage insulators for sale! Multifunctional Insulator Cleaning Agent (RS-10) is mainly used for eradicating dirt, dust and contaminations on surface of the power equipment, especially clean that which surface was heavily polluted. After cleaning, RS-10 can significantly...

Mardi 24 septembre 2019

What is low temperature glycol chillers? There are specifications of low temp process chillers . Model LN-6W LN-10W LN-15W LN-20W LN-30W LN-40W LN-60W LN-90W LN-120W LN-180W Temperature Range -60°C~ -10°C Cooling Capacity At -40°C 12kw 20kw 30kw 40kw 60kw 80kW...

Mardi 24 septembre 2019

Quantité : 100platfor - Prix : USD18000-280000

Molded pulp, also named molded pulp or molded fiber, is a packaging material, typically made from recycled paperboard and/or newsprint. It is used for protective packaging or for food service trays and beverage carriers. Other typical uses are end caps, trays, plates, bowls, and clamshell...

Mardi 24 septembre 2019

Syringe filter is suitable for the filtration of a small number of samples in the laboratory. The adsorbability of syringe filter to samples is weak, which ensures the large number of recovery of small or high-value samples. The outer shell of the filter is made of polypropylene and...

Mardi 24 septembre 2019

The filter bag is an indispensable element in the filtration process, which is suitable for filtering general industrial liquid such as food, chemical, grain, oil, and other chemical liquid. Filter bag provided by our company is made of environmentally friendly materials, it conforms...

Mardi 24 septembre 2019

Ion Chromatography is one of high-performance liquid chromatography (HPLC) and is a liquid chromatography method for the analysis of anions and cations. In a narrow sense, ion chromatography is a chromatographic method in which a low exchange capacity ion exchange resin is used as...

Mardi 24 septembre 2019

Quantité : 1 - Prix : 7800-200000usd

Features of Centrifugal Dewatering Machine Processing Capacity: 1-10Tons/hour Application Scope: Cassava or potato starch dewatering Product Introduction: Centrifugal dewatering machine, centrifugal dewater machine, cassava dewatering machine, cassava starch dewatering machine for...

Mardi 24 septembre 2019

Quantité : 1 - Prix : 7800-200000usd

Features of Cassava Curved Mesh Crusher Processing Capacity: 2-8Tons/hour Application Scope: Crushing the cassava into the slurry and remove the residues Product Introduction: Curved mesh crusher, rasper crusher, cassava crusher machine, cassava crushing machine for cassava starch...

Mardi 24 septembre 2019

Quantité : 1 - Prix : 7800-200000usd

Features of Airflow Flash Dryer(Cassava Drying Machine) The starch factory at present normally adopt airflow drying (also called flash drying or flash dryer for cassava flour), the whole process time is completed in an instant, so the internal moisture of the starch granules have...

Lundi 23 septembre 2019

The medium-sized single-fluid low-temperature freezer produced by LNEYA has a cooling temperature range of -150°C~-5°C, fast cooling speed, safe and reliable, and is used for rapid liquid cooling. It adopts secondary subcooling technology, a complete set of imported cold controls...

Lundi 23 septembre 2019

Temperature control range -5 ° C to 85 ° C, the temperature of the thermal fluid can be adjusted, the temperature control accuracy is high, the accuracy is ± 0.3 ° C. The device uses international brand accessories and has stable performance and can work continuously for 24 hours...

Lundi 23 septembre 2019

1. If the liquid accidentally enters the piston chamber, the pollutants should be removed in time. 2. After the use of the pipette, adjust the range of the pipette to the maximum, and place the pipette vertically on the pipette rack. 3. According to the frequency of use, all pipettes...

Lundi 23 septembre 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...

Lundi 23 septembre 2019

When the experimenters use the bottle-top dispenser doing experiments, they assemble the pipette, the distribution pipe, and the reagent bottle firstly. And then before separating the liquid, they should remove the bubbles in the bottle-top dispenser in order to ensure the accuracy...

Samedi 21 septembre 2019

Quantité : 5000 ton/p - Prix : 0.8usd

Product description Medical Grade Stainless Steel Tubing Description Stainless steel medical tubes available as thin wall tubes in seamless or welded redrawn condition or as seamless thick wall tubes. Medical tubes are available in a range of stainless steels and delivered with cold drawn...

Vendredi 20 septembre 2019

Syringe filter can be used in the analysis of high performance liquid chromatography and IC. It is an important step in sample pretreatment to filter sample solution. The syringe filter with high quality is produced by using the most advanced detection means and production technology...

Vendredi 20 septembre 2019

Hawach Scientific company specializes in the production of PES filter membrane, stable quality, products exported to Europe, North America, and other countries. We have more than 16 years of experience in the filtration industry. Pore size : 0.1um /0.22um/0.45um/0.65um/0.8um/1.2um Diamter ...

Vendredi 20 septembre 2019

Silica matrix HPLC columns are generally compatible, but organic polymer matrix columns may expand or contract in some solvent combinations, which will affect their chromatographic behavior. Wash each solvent system at least 20 volumes. Because some solvent systems are highly viscous...

Vendredi 20 septembre 2019

Solid phase extraction is essentially a liquid chromatographic separation. The main separation mode is the same as that of liquid chromatography. It can be divided into normal phase (the polarity of the adsorbent is greater than the polarity of the eluent), and the reverse phase (the...)

Jeudi 19 septembre 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Jeudi 19 septembre 2019

Basically, the pipette is an instrument for a trace amount of liquid transfer, while the bottle-top dispenser needs installing at the mouth of a solvent bottle to move larger liquid amounts. Categories In terms of automatization, the pipette can be divided into mechanical and electronic...

Jeudi 19 septembre 2019

Good usage habit can help the experimenters to prolong the service life of the vacuum filtration instruments. The experimenters should pay attention to the following items to keep the instruments in good conditions. 1. Please check that if the voltage marked by the nameplate on the...

Jeudi 19 septembre 2019

It is a liquid chromatography using a chemically bonded phase as a stationary phase, which is formed by chemically reacting an organic molecule to a surface of a carrier (silica gel) by a covalent bond to form a uniform, firm monolayer thin layer. The separation mechanism is both...

Mercredi 18 septembre 2019

Hawach Scientific provide Glass fiber filter membrane, with a binder and without binder both available. Here we introduce the without binder type. Pore size : 0.7um /1.2um Diamter : 13/25/47/50/60/90/100/106/120/142/150/20 0/250mm. Glass fiber filter membrane is chemically inert, without binder...

Mardi 17 septembre 2019

- Forward liquid transfer type - Press the button with your thumb to the first stop point, then slowly release the button back to the origin. Then press the button to the first stop point to drain the liquid. After a short pause, continue to press the button until the second stop...

Mardi 17 septembre 2019

Application Description With the development of vacuum acquisition technology, its application has expanded to all aspects of industry and scientific researches. Generally speaking, the vacuum application means utilizing of the special physical environment of rarefied gas to accomplish...