BUFFER - 641 Anuncios

Viernes 16 agosto 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...

Miércoles 14 agosto 2019

Syringe filters are available out-of-the-box, no need for membrane changes and cleaning, and allow easy purification or detoxification of various solutions, including cell and microbial media, reagents, and additives, protein solutions and buffers. - Maintenance of a syringe filter - 1...

Jueves 08 agosto 2019

Chromatography is a separation and analysis method and the separation is the core. Therefore, HPLC columns are the heart of the chromatographic system. The requirements for the column are high efficiency, good selectivity and fast analysis speed. Generally, the column length of about...

Martes 06 agosto 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...

Lunes 05 agosto 2019

One of the main factors affecting the life of the liquid chromatographic column is the mobile phase. There are three aspects of the mobile phase factors. The pH value of the Mobile Phase The fillers of different substrates apply to different pH value range. Under normal temperature...

Sábado 03 agosto 2019

In the application of membrane separation technology, the microporous membrane is the most widely used membrane variety. It is simple and fast to use and is widely used in many fields such as scientific research, food testing, chemical industry, nanotechnology, energy, and environmental...

Jueves 01 agosto 2019

Hawach bottle-top dispensers help to simplify the routine liquid transfer operation and are widely used in all kinds of liquid reagents – buffer solution, medium, vitamin solution, acid, alkali, salt solution or a variety of polar solution. Bottle-top dispensers can meet the needs...

Martes 30 julio 2019

The improper use of chromatographic columns will make the columns decrease or lose effectiveness. Generally speaking, the columns always have problems at the end of them. If we can install a short column with the same stationary phase as the analysis column in front of analysis column...

Jueves 11 julio 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Jueves 11 julio 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Miércoles 10 julio 2019

According to the research from the United States Department of Agriculture, the QuEChERS meth od which extracts pesticide from foods is fast, convenient, cheap, effective and secure. When it compares to the traditional SPE method, QuEChERS not only uses less solvent but also adopts...

Lunes 08 julio 2019

The laboratory vacuum filter unit is designed for laboratory users to filter solid-liquid separation of liquid samples. Stai nless Steel Vacuum Filtrations operation steps: 1. Place the glass filter bottle on the stainless steel vacuum filtrations and insert the silicone plug of...

Martes 02 julio 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...

Lunes 24 junio 2019

Precio : USD44,000 to USD17,0

Machine performance of 52m Concrete Pump Truck The concrete pump chassis of zoomlion ZLJ5430THBB 52x-6rz adopts noble German Benz chassis. Intelligent and safe distribution control: set up a global benchmark for intelligent control of long-arm pump truck. Based on the top K - CIFA...

Viernes 21 junio 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...

Jueves 20 junio 2019

Basic Knowledge of Vacuum Filtration Based on the principle that under the same pressure (vacuum degree), the vaporization temperature of the water is lower than that of oil, scientists make practical equipment which is called vacuum filter. In fact, vacuum filtration is the most...

Viernes 14 junio 2019

Cantidad : 1000 - Precio : 1 000,00 €

Huatai Industrial (Hong Kong) Co., Ltd. es un fabricante profesional de todo tipo de sellos de caucho, cilindros, sellos de cilindro, sellos mecánicos, moldes de caucho, hardware y otros productos. Nuestros productos utilizan compuestos de caucho importados, como el caucho NBR-JSR-BAYER...

Jueves 13 junio 2019

NH2 HPLC columns can be used in the positive phase or in the negative phase, but it should be noted that the positive phase solvent and the negative phase solvent are usually not mutually soluble. New NH2 HPLC columns are preserved in the positive phase environment under normal circumstances...

Jueves 13 junio 2019

Package 1 QuEChERS extracting pesticide residues from plants Extraction box: 50 ml centrifuge tube + AOAC/EN salt pack 2 kinds of buffer salts: General buffer salt for phase-separation and pH-adjustment; Anhydrous magnesium sulfate completely separates water in the matrix from the...

Lunes 10 junio 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...

Viernes 07 junio 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...

Jueves 06 junio 2019

The glass fiber filter is chemically inert and contains no binder. It is made of 100% borosilicate glass fiber. It has a capillary structure, can absorb more water than the same cellulose filter paper, has the characteristics of fast flow rate, high-temperature resistance and strong...

Viernes 29 marzo 2019

Flygt mechanical seals are usually used in the Swedish ITT Flygt mixer and submersible sewage pumps. They are one of the essential Flygt pump parts for mechanical seal Flygt pump . The structure is divided into old structure, new structure(Griploc seal) and cartridge mechanical seal...

Miércoles 27 marzo 2019

Features: Keyword: Commercial water slides manufacturer Material: fiberglass Capacity: 2 or 4 person/raft Slide type: raft slide Width: 2.5m-18.6m Length: 106m Tower height: 9m – 18.5m Floor space: 20㎡- 1500㎡ Capacity per hour: 40 or 400 riders/h Boomerang Large Water Slide For Sale...

Miércoles 27 marzo 2019

Features: Keyword: Park slides manufacturer Material: fiberglass Capacity: 4 person/raft Slide type: Raft slide Width: 2.6m-8.2m Length: 147m Tower height: 18.5m, customized Model Number: HS118 Capacity per hour: 400 riders/h Production method: spray up Tantrum Alley Park Slides...

Sábado 12 enero 2019

Rubber Pavers Dogbones 1.Durable: EMEI Rubber Floor are made from SBR tire rubber. High strengh polyurethane binders. 2.Anti-Fatigue Resilience: Fabricated from thousands of fine rubber granules, offer superior underfoot comfort. Their resilient properties cushion the strain from running...

Jueves 06 diciembre 2018

Cantidad : 1 - Precio : 1 999,00 €

Application : Single wing drop impact tester is used to measure the dropping impact incidence when the package in using, transportation and decorating. Besides precision plane drop testing, it also can undertake edge and angle test to ensure the complete performance evaluation for the package...

Viernes 02 noviembre 2018

Cantidad : 1 - Precio : 1 999,00 €

Automatical Single Arm Carton of Point, Edge, Face Drop Impact Device Apparatus Product Description Application : Single wing drop impact tester is used to measure the dropping impact incidence when the package in using, transportation and decorating. Besides precision plane drop testing...

Miércoles 17 octubre 2018

Cantidad : 1000000 - Precio : 333,00 €

HK768 integral inteligencia retrete bide asiento inodoro inteligente [Especificationes] Alimentacion electrica : 220-240V 50 /60HZ Consume maximo de potencia: 650 W Longitude del cable de red : 1.5 m (5 feet) Presion del agua: Full Flush : 6.4 Liter Flushing System : Siphon jet...

Martes 16 octubre 2018

Cantidad : 100000 - Precio : 444,00 €

HW501 inteligencia cojin retrete asiento inodoro inteligente [Especificationes] Modelo: HW501 Alimentacion electrica : 220-240V 50 /60HZ Consume maximo de potencia: 1220 W Metodo de calentamiento: calor instantaneo Longitude del cable de red: 1.5 m (5 feet) Presion del agua: Full Flush: 6...