PREPARATIONS - 1257 Anuncios

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...

Martes 09 julio 2019

The reversed-phase HPLC columns may be repeatedly injected into a sample containing a strongly retained material, and in particular, the sorbent components such as large molecular weight or hydrophobic biological flow proteins and strong alkaline substances may be adsorbed on the silica medium...

Lunes 08 julio 2019

HPLC is the separation of sample components between the column packing and the mobile phase for mass exchange. Therefore, the mobile phase is required to have the following characteristics: a. the flow relative to the sample has a certain solubility, to ensure that the sample components...

Jueves 04 julio 2019

As an acronym for Quick, Easy, Cheap, Effective, Rugged and Safe, the method of QuEChERS achieves as a variety of sample preparation and clean-up techniques for the analysis of multiple pesticide residues in the field of agriculture. Originally designed for the analysis of fruits and vegetables...

Miércoles 03 julio 2019

Cellulose acetate membrane filters are a kind of Millipore filtration and play an important role in membrane separation technology. Mainly used for filtration of the aqueous solution. Features and functions Cellulose acetate membrane filters with uniform pore size distribution, fast...

Lunes 01 julio 2019

This is a useful weapon for experimental analysts to filter micro-samples quickly and effectively, such as sample pre-filtration, clarification, and filtration of particles, liquids, and gases sterilizing, etc. The structure of Hawach syringe filter The structure of Hawach syringe...

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...

Sábado 15 junio 2019

Nowadays, automated assembly technology is gradually replacing the manual assembly, since it can reduce labor costs and improve production efficiency and product stability. Yiheda has wealth of experience in developing automated assembly machine for many industries, such as automotive...

Martes 11 junio 2019

Solid phase extraction (SPE) is a separation process by which compound that is dissolved or suspended in a liquid mixture, thereby being separated from other compounds in the mixture according to their physical and chemical properties. There are 4 general functions as below: 1.Matrix...

Domingo 09 junio 2019

Cut To Length line China is a high efficient metal processing production line for cutting metal flat sheet from metal coils. The metal coils unwind, leveled, cut to length and blanking. RISHBIN supply full range of cut to length line China according to client's special requirement...

Viernes 07 junio 2019

- Vertical Grinding Mills - GKLM series vertical grinding mill is one advanced powder making mill through our engineer research and experience and bringing in advanced technology of the world. It is ideal equipment for superfine milling industry which integrated with crushing, drying...

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

As one of the useful sample preparation technique, solid phase extraction can prevent many problems, such as incomplete phase separations, recoveries with poor quantity, waste of expensive fragile glassware, and extra disposal of organic solvents, which you may occur if you use the...

Miércoles 05 junio 2019

Hawach summarized the advantages of QuEChERS in eight aspects. 1. Recovery Rate QuEChERS technology has the advantage of high recovery rate. Experimental data show that the recovery rate of large quantities of polar and volatile pesticides by QuEChERS is above 85%. 2. Accuracy Laboratory...

Jueves 30 mayo 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...

Sábado 30 marzo 2019

Le séchage de la viande en utilisant une méthode de salage est un moyen très efficace de conserver la viande pendant longtemps. On ajoute généralement des nitrites et des nitrates dans la viande, ce qui non seulement tue les micro-organismes, mais améliore également le goût, la couleur...

Viernes 01 marzo 2019

Cantidad : 100 tonnes - Precio : nigociable

A chaque problème de peau sa solution naturelle La peau est le plus grand organe du corps. Elle constitue un atout beauté et bien-être précieux qui pourtant n'est pas invulnérable aux incommodités. Mais, pas d'inquiétudes, à chaque problème de peau, il existe une solution naturelle...

Jueves 27 diciembre 2018

Precio : 0,00 €

Très appréciée en Inde et au Maghreb pour les soins capillaires, l'huile végétale de moutarde est réputée pour favoriser la pousse des cheveux et lutter contre leur chute. De plus, elle apporte à vos préparations une action gainante et fortifiante sur les longueurs, grâce à sa richesse...

Martes 04 diciembre 2018

Cantidad : 1000 - Precio : Contact us

¿Cuál es el procedimiento para la certificación ASTMF963? ¿Qué información se necesita? ¿Cuál es la prueba para ASTMF963? El estándar de seguridad de juguetes ASTMF963 es una certificación estándar obligatoria en los Estados Unidos. En los últimos años, la industria global ha experimentado...

Lunes 03 diciembre 2018

Cut To Length line is a high efficient metal processing production line for cutting metal flat sheet from metal coils. The metal coils unwind, leveled, cut to length and blanking. RISHBIN supply full range of cut to length line machine according to client's special requirement by...

Viernes 16 noviembre 2018

Precio : €23/Carton

Proveedor de confianza de fórmulas infantiles premium, especialidad en fórmulas para bebés y cereales Compra todas las etapas de fórmulas infantiles: Vaca y compuerta, Fórmula infantil de Guigoz, Leche de seguimiento SMA, Fórmula infantil para bebés Aptamil Profutura, Fórmula para...

Viernes 10 agosto 2018

Cantidad : 15000 Squa - Precio : ¥25 ~ 120 / Square M

Nano aluminum composite panel is a new high-end functional product springing up in the recent years. A semiconductor oxide nanometer coating (current mainly TiO2) is added on the surface of curtain wall plate. The coating is composed of nanoscale particles and nanoscale pore in structure...

Jueves 19 julio 2018

Precio : 1 million to 100 mil

PIONEER has its own absorbent production base, which specializes in the production of various efficient absorbents and catalysts to be applied to the variable pressure absorption equipment. The production base is capable of producing 10,000 tons of absorbents each year, mainly including...

Jueves 19 julio 2018

Precio : 1 million to 100 mil

Separation of CO from blast furnace gas is an international problem, which is mainly due to the blast furnace gas also contains a large number of N2 and CO2. Because of the close boiling point of N2 and CO, the traditional cryogenic rectification process cannot be used to separate...

Viernes 13 julio 2018

Cantidad : 300 sets p - Precio : USD $42000 per set

Large biaxial circular vibrating screen with CE Application of Large biaxial circular vibrating screen with CE: Large biaxial circular vibrating screen with CE is round, it is a large-scale screening equipment developed by our company for the coal industry. The screen assembly adopts...

Viernes 13 julio 2018

Cantidad : 200 sets p - Precio : USD $40000 per set

Aplicación de gran pantalla vibrante circular biaxial con ISO: La gran pantalla vibratoria circular biaxial con ISO es redonda, es un equipo de cribado a gran escala desarrollado por nuestra empresa para la industria del carbón. El conjunto de pantalla adopta el remachado de ranura...

Viernes 13 julio 2018

Cantidad : 300 sets p - Precio : USD $30000 per set

WYA series circular vibrating screen for mining Uses and characteristics of WYA series circular vibrating screen for mining： The circular trajectory of WYA type circular vibrating screen is mainly used for the classification work of dry materials in metallurgy, coal preparation, building...

Viernes 13 julio 2018

Cantidad : 500 sets p - Precio : USD $15000 per set

WYK series circular vibrating screen for quarry Uses and characteristics： WYK series circular vibrating screen movement round, vibrator, motor with direct drive amplitude adjustable eccentric block has the advantages of simple structure, convenient maintenance, long service life....

Miércoles 27 junio 2018

Cantidad : 1 - Precio : 600,00 €

Tubo eléctrico de la calefacción Parrilla portátil de la barbacoa Equipo de la parrilla de Kebabs del Bbq Perfil de la compañía Fundada en 1992, estamos especializados en el diseño y fabricación de parrillas teppanyaki y varios equipos de catering comercial. Tenemos las marcas GREENARK...

Jueves 14 junio 2018

There is no doubt that the logistics is very important to the foreign trade business. Especially now there is fierce competition for the business. We all know that it is difficult to make a living.So ,it is essential to choose the best ocean shipping freight. The trade business wants...