WEAK - 506 Anuncios

Friday 27 September 2019

Cantidad : 1 - Precio : 2000USD

Cement Rotary Kiln Pengfei rotary kiln (Rotary kiln, titanium dioxide kiln, sintering furnace, industrial kiln, kiln, oxidizing pellet) has specifications of 3.2*52m, 3.5*54m, 4.0*60m, 4.3*64m, 4.8*74m, 5.0*78m. Pengfei rotary kiln is the main equipment for calcining cement clinker...

Thursday 26 September 2019

- Reversed-Phase Principle - The reversed-phase filler is a kindly of nonpolar filler such as C4, C8, C18 aliphatic chain which is bonded on the silica gel. Nonpolar or hydrophobic compounds are strongly reserved, while polar samples are weakly reserved and go through the flash reversed-phase...

Wednesday 25 September 2019

General requirements for adsorbents: large surface area and certain adsorption capacity. Does not chemically change with the developing agent, does not react with or catalyze, decompose or associate with the substance to be separated, and the particles are uniform. Silica gel and...

Wednesday 25 September 2019

Cantidad : 1-200ton - Precio : 10usd

The Characteristics of Silicone Rubber Insulation Product 1. Heat and Cold Resistance Since silicone rubber has high bond energy and good chemical stability, its heat resistance is better than that of organic polymers. Furthermore, since the intermolecular interaction force is weak...

Tuesday 24 September 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...

Tuesday 24 September 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...

Monday 23 September 2019

Imaging Colorimeter meets the various optical measuring instruments needs of FPD, backlit keyboards, and LED lighting. C-Series Imaging Colorimeter is based on a scientific-grade CCD sensor with a resolution range covers 2.28 million pixels from C-2 to 36.17 million pixels from C-36...

Saturday 17 August 2019

Cantidad : 500kg

The Characteristics of silicone electrical insulation Product 1. Heat and Cold Resistance Since silicone rubber has high bond energy and good chemical stability, its heat resistance is better than that of organic polymers. Furthermore, since the intermolecular interaction force is weak...

Friday 16 August 2019

NH2 HPLC columns refer to the chromatographic columns that use silica gel as matrix carrier to bond amino groups. They are usually used for the analysis of carbohydrate compounds, and the mobile phase is usually methanol, acetonitrile and buffers salt solution. - The cleaning method...

Saturday 10 August 2019

Cantidad : Proofing b - Precio : 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...

Wednesday 07 August 2019

Each analyst needs filter paper, which is a product with high consumption in the laboratory. Filter paper is commonly used in analytical laboratories as a filter medium to separate the solution from the solid. Basic introduction The paper is loose and has strong absorption performance to liquid...

Saturday 03 August 2019

SPE cartridge can be divided into three classes on the markets: silica-based cartridges, polymer-based cartridges, and adsorption-based cartridges. And here we talk about the three types of silica-based cartridges. The first type is the C18 cartridges. This kind of cartridges bond...

Friday 05 July 2019

When the polarity of the stationary phase is greater than the polarity of the mobile phase, it can be called normal phase partition chromatography or simply normal phase chromatography. If the polarity of the stationary phase is less than the polarity of the mobile phase, it can be...

Friday 28 June 2019

Stationary Phase & Mobile Phase The stationary phase is used to separate the substances, which is packed into HPLC Column directly; Mobile phase is the carrier, which carries the substances into the stationary phase and goes through the stationary phase. It is gas in the vapor phase...

Friday 21 June 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...

Tuesday 18 June 2019

After running for a period of time, the normal operation of ultra-low temperature circulating water chiller needs comprehensive maintenance and maintenance. For many enterprises, due to the weak consciousness of daily maintenance, the cryogenic cycle water chiller has been used for...

Friday 14 June 2019

Hawach introduced the properties and application range of HPLC column stationary phase in the silica gel matrix. Silica gel matrix: Silica gel, weakly acidic, has a strong memory, used to separate non-polar, weakly acidic compounds, oils, etc.; C18, a silica-based uncapped reversed-phase...

Friday 07 June 2019

Cantidad : 4 pcs - Precio : USD 10-470

With the rapid development of modern industrial engineering, the various manufacturing machine, transportation machine are all developing to high speed, high efficiency, high precision, and automation. However, with the increase of equipment's power and speed, the intensity of the...

Sunday 02 June 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...

Thursday 30 May 2019

Cantidad : 1 - Precio : 1,00 €

Solid-phase extraction (SPE) is a useful method of sample preparation. By sorting onto a disposable solid-phase cartridge, it can concentrate and purify analytes from solution. But sometimes, the results are unsatisfied with the poor and non-repeatable sample recovery. To avoid it...

Sunday 21 April 2019

Soy oil is rich in linoleic acid. Linoleic acid has limited effect on reducing the risk of heart disease. As linoleic acid is not heat-resistant, it is easy to oxidize and polymerize after frying or repeated heat, which is very harmful to health. Press method is divided into two:...

Sunday 21 April 2019

Construction Roll Forming Machine Building materials are collectively referred to as materials used in civil engineering and construction. It can be divided into structural materials, decorative materials, and some special materials. Structural materials include wood, bamboo, stone...

Wednesday 13 February 2019

Ether amine is one kind of colorless or pale yellow liquids, and ether amine has a weak irritating ammonia smell. Ether amine is not easy to dissolve in water but is easily soluble in chloroform, ethanol, ether, and benzene. Ether amine has alkaline and reacts with acid to form ammonium salt...

Friday 25 January 2019

The principle of the liquid crystal tablet is to utilize the characteristics of the bistable liquid crystal. When the pressure acts on the surface of the liquid crystal screen, the track can be recorded and only a weak power is required when the drive is refreshed to achieve low power...

Saturday 12 January 2019

Cattle Pump System 1.Dairy Cow Rehydration Device, is three part instrument consisting of a drug pumping device, a transparent catheter and a stomach tube. 2.Cow Stomach Pump is used for weak cows, especially after giving birth, they can not take food by themselves, only through artificial...

Tuesday 28 August 2018

Cantidad : at least 4 - Precio : At least 50 Dollars

With the rapid development of modern industrial engineering, the various manufacturing machine, transportation machine are all developing to high speed, high efficiency, high precision, and automation. However, with the increase of equipment's power and speed, the intensity of the...

Wednesday 15 August 2018

- Product Detail of Rubber Cushion - Rubber cushion pads are widely used in automobile engines and other mechanical equipment, which have shock absorber, effectively increase the service life of equipment, good sealing performance, wear-resisting and anti-aging properties. 【Product...

Thursday 09 August 2018

Cantidad : 100 - Precio : 1 600,00 €

- bubble football order – 10 balls package - £1,600.00 You can buy here with other quantity not in the package, There is no pumps, repair kits come with quantity less than 6 balls. Ship worldwide，orders can be shipped outside of the UK Guarantee: 1.We test each water ball to ensure...

Sunday 27 May 2018

Precio : 2,45 €

This plastic water nozzle is with convenient inset front trigger. A minor press starts continuous spraying until another light press turns it off, perfect for people with weak gripping strength or arthritis. A thumb control adjusts water pressure. Resilience and extra softness on...

Sunday 27 May 2018

Precio : 1,96 €

This lightweight water nozzle is made of high quality ABS for the nozzle head and soft TPR for the ergonomic grip and pattern dial. Compact gun body particularly suits people with no big hands or with weak gripping strength. 8 adjustable water patterns meet multiple watering needs...