CONCENTRATION - 1573 Annonces

Wednesday 01 April 2020

The properties of the reversed-phase filler are determined by the matrix and the substrate. the particle shape, size, pore size and pore size distribution of the matrix, specific surface area, residual silicon hydroxyl concentration, and the content of impurity ions will all have...

Tuesday 31 March 2020

SPE technology is a physical extraction process including liquid phase and solid phase based on the theory of liquid-solid chromatography, which uses selective adsorption, selective elution to enrich, separate and purify the sample. In daily application, SPE cartridge can also be...

Tuesday 24 March 2020

The capacity of the SPE cartridge refers to the adsorption amount of the column packing. For silica-based solid-phase extraction columns, the capacity is generally 1 to 5 mg/100 mg, which means that the column capacity is 1% to 5% of the mass of the packing. The capacity of the bonded...

Saturday 21 March 2020

Quantité : 1 - Prix : USD18000-28000

From the evolution of human beings, we have experienced the process of walking on all fours to walking upright. After the investigation of the development history of furniture in the world by researchers, we found that sitting down in daily activities is conducive to reducing fatigue...

Saturday 21 March 2020

Quantité : 1 - Prix : USD18000-28000

Description of Four Leg Power Adjustable Standing Desk With Multiple Monitors： Sitting for most of the day can wreak havoc on multiple systems, which is why it's a good idea to switch positions at work. With desks that lift up and down, you can start working in a new direction. Four...

Tuesday 17 March 2020

Quantité : 200,000 pc - Prix : usd160-500

JIUWU company produces the ceramic ultrafiltration membranes with the pore size 20nm, 50nm and so on. JIUWU company offers a large choice of ceramic uf membranes with different geometries and cut-offs to meet your process requirements in viscosity, molecule size, impurity profile...

Tuesday 17 March 2020

Quantité : 200,000 pc - Prix : usd160-500

Ultrafiltration (UF) is a variety of membrane filtration in which forces, such as pressure or concentration gradients, cause separation through the semi-permeable membrane. High molecular weight suspended solids and solutes remain in the so-called retentate while water and low molecular...

Tuesday 17 March 2020

Quantité : 200,000 pc - Prix : usd160-500

The SS ceramic membrane module is designed by different applications. Stainless steel could be used as the material of module/housing, that is, ss membrane housing. JIUWU company could produce the extra large stainless steel membrane housing as customer demand, such as loading over...

Tuesday 17 March 2020

Quantité : 200,000 pc - Prix : usd160-500

Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water. Ro membrane technology is one of the most powerful tools to solve the world water crisis. We have rich experiences in RO...

Tuesday 17 March 2020

Quantité : 200,000 pc - Prix : usd160-500

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...

Tuesday 17 March 2020

Quantité : 200,000 pc - Prix : usd160-500

Ceramic membranes (Porous Ceramic Membrane & tubular ceramic membrane) are available for microfiltration, ultrafiltration and nanofiltration as single-channel or multiple-channel elements with channel diameters between 2 and 16mm. Their main characteristics of porous tubular ceramic...

Tuesday 17 March 2020

How to understand the chromatographic separation? Put it in short, the more similar the separated substance to the stationary phase, the longer the residence time on it. In this way, different substances in a complex mixed solution can be separated according to time, and the separated...

Wednesday 11 March 2020

Glass Beads can be used in all water and oil based drilling fluids to reduce torque and drag and to aid in the prevention of differential sticking. They should have no measurable effect on the desired properties of the mud system and can be removed by a desilter or centrifuge. Adding...

Friday 06 March 2020

Quantité : 1 - Prix : USD 13000-16000

- Details Images - - Products Description - Dimension: 7820mm×2300mm×2000mm Working height: 900mm±25mm Working width: 650mm Wheel base: 28mm 35mm 48mm 70mm Working speed: 2m/mm(preset working speed) Supply voltage: Three phase four wire,380V/50Hz Total power: 41KW...

Monday 20 January 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...

Saturday 18 January 2020

Hydraulic Roller Granulator is a kind of dry roller press fertilizer granulator machine, specialize in fertilizer powder granulation manufacturing. High quality granulator equipment China factory supplier. The raw materials used in the production of compound fertilizer by hydraulic...

Wednesday 08 January 2020

When the filter element has been used for a long time and the filtration speed still recovers less than ideal after recoil with the above method, the filter element can be removed and immersed in NaOH solution with a concentration of 2-4% for 4-8 hours. Then, clean water filtered...

Tuesday 07 January 2020

Quantité : 25KGS - Prix : 2990-3800

When people's skin is exposed to boric acid, they must remove the contaminated clothing, flush it with plenty of flowing water and seek medical treatment. In addition, boric acid can be absorbed by the body's damaged skin, mucous membranes, or wounds, causing poisoning. Symptoms of...

Tuesday 07 January 2020

Quantité : 25KGS - Prix : 2990-3800

What are boric acid flakes? Boric acid chip can be ground into a boric acid powder, boric acid powder is a kind of external use, appearance is white powder, mainly as a disinfection antiseptic, without excitant, boric acid powder is the function of disinfection and sterilization and...

Tuesday 31 December 2019

Double roller fertilizer granulator no drying process, more energy-saving and cost-reducing, it fit organic and NPK fertilizer granulating manufacturing. The advantage of double roller fertilizer granulator is no drying technology, normal temperature granulating, once forming. The...

Tuesday 31 December 2019

Rotary Drum Granulator make powdery material into granulates, is suitable for large scale production compound fertilizers. It's an enlarged version of disc granulator, have the advantage of high ball strength, large output, low power consumption. Rotary drum granulator is the preferred...

Friday 27 December 2019

Prix : 1,00 €

Guangzhou Aoqun Brush Industry Technology Co., Ltd. is a large brush manufacturing enterprise combining design, development, production, sales and service. Brush, Strip Brush, Cleaning Brush, Roller Brush and different other products with "Aoqun" brand sell well in more than 50 countries...

Thursday 26 December 2019

NPK fertilizer production line mainly including the fertilizer mixer and crusher, fertilizer granulator machine, fertilizer screening machine and packing machine. NPK compound fertilizer production line system has great flexibility and adaptability to raw materials. NPK compound fertilizer...

Friday 13 December 2019

From the evolution of human beings, we have experienced the process of walking on all fours to walking upright. After the investigation of the development history of furniture in the world by researchers, we found that sitting down in daily activities is conducive to reducing fatigue...

Friday 13 December 2019

Description of Four Motor Four Legs Electric Height Adjustable Standing Desk： Sitting for most of the day can wreak havoc on multiple systems, which is why it's a good idea to switch positions at work. With a four leg standing desk, you can start working in a new direction. Four-legged...

Friday 13 December 2019

FLASH column is a sample pretreatment technology developed by the combination of liquid-solid extraction and column liquid chromatography. It is mainly used for sample separation, purification and concentration which has been widely used in medicine, food, environment, commodity inspection...

Friday 13 December 2019

What is vacuum filtration? Vacuum filtration forms negative pressure in the filtrate outlet as the power of filtration. This kind of filtration machine is split into batch operation and continuous operation. Vacuum filtration equipment with batch operation can filter suspension liquid...

Thursday 12 December 2019

Hawach bottle-top dispenser is an instrument for measuring liquid medicine. To ensure that your bottleneck dispenser has a long service life, some maintenance, and cleaning work can be done in the following situations: the pipette piston is not flexible; the dispensing of some restrictive...

Tuesday 26 November 2019

Quantité : 1000 - Prix : 100,00 €

Propriété physique du caoutchouc soumis à un essai de vieillissement accéléré à l'air chaud (condition d'essai: 50 ° C * 96h). Classe Solution de rubber conveyor belt concentration de la condition couverte Le taux de changement avant et après la couverture Taux de changement d'intensité...

Tuesday 12 November 2019

Quantité : 10000 sets - Prix : 100-300 USD

From the evolution of human beings, we have experienced the process of walking on all fours to walking upright. After the investigation of the development history of furniture in the world by researchers, we found that sitting down in daily activities is conducive to reducing fatigue...