STEP - 3890 Annonces

Mardi 02 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...

Mardi 02 juillet 2019

In this article, we want to clarify the syringe filter. Each of the different syringe filters is applied to the specific product Which the various syringe filter is worth seeing more and what are the right steps and methods to have a try. Classification by membrane The filtration...

Mardi 02 juillet 2019

The key to regenerating contaminated HPLC columns is to know the nature of the contaminants and to find the right solvent to remove. If contamination is caused by the accumulation of strongly retained materials during repeated injections, simple steps to remove these contaminants...

Lundi 01 juillet 2019

With the accession to WTO, China is becoming a more and more international market. Most of the Fortune 500 multinational companies have come to China and achieved significant growth as a result. Not limited to multinationals,, thousands of small and medium size companies have china...

Lundi 24 juin 2019

Today, we're going to show you how to clean a bottle-top dispenser. Before we get it started, let's prepare a bottle of neutralization liquid, a bottle of distilled water, a bottle of the ethanol-glycerol mixture, a soft brush and a pipe cleaner. Now, let's follow the steps below...

Lundi 24 juin 2019

Vacuum filtrations are based on the principle that oil and water vaporization temperature is different (water vaporization temperature is lower than oil vaporization temperature) under the same pressure. Vacuum filtrations are a kind of paper filter equipment with the features of...

Dimanche 23 juin 2019

Nowadays, the standards of people's living are improving, not only to install air-conditioning, floor heating, and better-conditioned homes,but also to install ventilator, dehumidification and other equipment. A person with insights who is more environmentally conscious, and also...

Vendredi 21 juin 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...

Vendredi 21 juin 2019

We can always hear such a conversation between those researchers. “Hey, buddy, what is your purity degree of the end products today?” “Damn it. Such a low degree that I cannot even use for the next step. Any better methods for clarifying raw materials?” Then there comes Hawach syringe filter...

Vendredi 21 juin 2019

The cation chromatography column is a kind of high-performance liquid chromatography, which is a liquid chromatography method for analyzing anions and cations. The method has the advantages of good selectivity, sensitivity, rapidity, and simplicity, and can simultaneously measure...

Vendredi 21 juin 2019

Normally SPE cartridge has two basic adsorption modes: target compound adsorption mode, impurity adsorption mode; 5 operation modes: gravity operation, manual positive pressure, centrifuge, negative pressure and positive pressure mode. Now let's review the whole process step by step...

Mercredi 19 juin 2019

Take the example of pear test to check whether a pear is up to the standard. Prepare the environment The first step: Suitable Acetonitrile salting-out extraction environment was prepared. Make the pears into a puree, take 10g to QuEChERS centrifuge tube of 50ml. Add extract solution...

Mardi 18 juin 2019

Industrial chiller is also known as industrial water cooled chiller, screw chiller, fluid cooler, produced by Wuxi LNEYA chiller Company as professional top chiller manufacturers and supplier of cold water machine, deep refrigeration industry, with its high-quality customer service...

Mardi 18 juin 2019

Application: The tested object is attached to a test platform adapter. The inside of the part was cooled and heated by an aqueous solution of ethylene glycol. The test component needs to undergo a specific temperature profile and record changes in temperature. Temperature variations...

Mardi 18 juin 2019

A more efficient way to extract compounds from solid materials—Soxhlet extraction (also known as sand extraction). In the laboratory, Soxhlet extractor uses solvent reflux and siphon principle, so that the solid substance is continuously extracted by pure solvent, which saves solvent...

Mardi 11 juin 2019

The installation of the HPLC column should be carried out in the following three steps: a. Unpack the HPLC column and confirm the type, size, date of manufacture, and solvent stored in the column. b. Unscrew the sealing plug from the joints at both ends of the column and put it back...

Lundi 10 juin 2019

Athletic Series Insole Poron Foam Insoles ZG-332 - Improve step balance and foot strength. - Anti-skidding, shock-absorbing and depressurizing. - Reduce the damage to the foot due to vibration. - Applicable for all kinds of sport shoes, hiking shoes and working shoes. - Can help reduce...

Lundi 10 juin 2019

- Insole For Kids ZG-475 - 1. Anti-Microbial Top Fabric: Reduces heat and friction while performing strenuous activity, keeping your feet healthier and more comfortable. 2. An ideal orthotic for preventing and alleviating pain associated with plantar fasciitis and other common foot conditions...

Lundi 10 juin 2019

Features The latest streamline design allows for easy operation and convenient maintenance. The automatic conveying power system, with non-level frequency conversing speed adjustment and auto synchronous board feeding functions. Using scanning spray nozzle, Japanese nozzles and rodless...

Lundi 10 juin 2019

Features The operation panel words are simple and clear, the alarm is exact, PCB conveying buffer distance is adjustable. PLC control system ensures the stable operation without interference, and the software can offer the sound safety protection measures for machine with the reasonable...

Vendredi 07 juin 2019

- The Handling Materials and Main Types of Ball Mill: - Ball mill is a key equipment for grinding materials, widely used in powder-making production line such as cement, silicate sand, new-type building material, refractory material, fertilizer, ore dressing of ferrous metal and...

Vendredi 07 juin 2019

Vacuum filtration is an operation of evacuating the air below the filter paper to maintain the pressure differential across the filter medium. It increases the rate of filtration through the force on the solution over gravity. When setting vacuum filtration, the first step is fitting...

Vendredi 07 juin 2019

If you want to dispense an aliquot of liquid from bottles, the bottle-top dispensers always provide the best results for your lab in the way of productively dispensing and no reagent wasting. Depending on what you need, the important factors of choosing the bottle-top dispenser include...

Vendredi 07 juin 2019

Syringe filters are one of the types of filters. The structure design of the syringe filter is precise and the liquid is filtered smoothly. Internal space design is reasonable, so the residue rate is very low. In addition, the syringe filter has the following characteristics. Characteristics...

Jeudi 06 juin 2019

The fast liquid chromatography column optimization function, or “GO” function, converts the linear gradient into a step gradient and optimizes the elution conditions near the confirmed elution peak. First, purify a small portion of the sample with a small column and wait until the...

Dimanche 02 juin 2019

Insoles designed for cold weather while wearing winter boots. The feet of the person are far away from the heart, the blood circulation of the feet is poor, the fat accumulation under the skin is less, the heat preservation ability is also weak, and the subcutaneous fat layer of the foot is thin...

Mercredi 15 mai 2019

- Details or Advantage 1.CANDID have a professional team that could design the most suitable crayon making machine according to customer requirement, including molding machine, packing machine, mold, raw material. We can offer all equipment and material to the customer with high-grade...

Mercredi 15 mai 2019

- - Details or Advantage - 1. Candid eraser making machine Heating ring use cast aluminum 2. We especially installed the Heating ring heat protection cover 3. Candid eraser making machine is used TWIDEC (Tai wan) temperature control device 4. We use international band inverter...

Mercredi 15 mai 2019

- - Main Parameters - 1. Out put: 150pcs/min 2. Wire diameter: Φ1.6-3.0mm 3. Space required: 2m(L)*2m(W) 4. Total power: 2.0KW 5. Suitable material: Galvanized wire 6. Current source: 380V,3P,50HZ 7. Dimension: 2000x1000x1600 mm 8. Weight: 500Kg - - Details or Advantage - 1...

Mercredi 15 mai 2019

- Clip Making Machine - Paper clip making machine is used for making paper clips, include nickel plating type and plastic covered type. It could produce different series of paper clip: RWB series, RWC series, RWH series and other customized types. Our paper clip making machine adopts...