DIVIDED - 2834 Annonces

Lundi 08 juillet 2019

SPE Technique Introduction SPE(Solid-phase Extraction), is an increasingly popularized technology of sample pretreatment, which is established on the basis of traditional LLE(Liquid-liquid Extraction). Combined with the substance interaction mechanism that like dissolves like, and...

Lundi 08 juillet 2019

What is the sample vial? Sample vials, also named as sampling bottles, purification bottles, aseptic bottles, clean bottles, filter bottles, etc., are essential for detecting pollution. According to International Standard, it is specially qualified for cleaning appliances so that...

Vendredi 05 juillet 2019

The product mainly includes two parts: extraction boxes and purification boxes. Extraction boxes include salt bags and 50 ml centrifugal tubes. Due to the high transportation cost of 50 ml centrifugal tubes and the general unacceptability of customer laboratories, more customers will...

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...

Lundi 01 juillet 2019

The filter bag is made of porous staple non-woven fabrics or nylon woven nets and other materials which are heat sealed or vehicle sewed. The filter bag is the key part of the operation of the bag filter. Characteristics of the filter bag The filter bag is the most high-performance...

Lundi 24 juin 2019

When using filter paper, we should pay attention to the fact that when the filter paper is not displayed on the paper box of the filter paper, the precipitation should be paid attention to when using the quantitative and qualitative analysis filter papers. (1) Natural filtration is...

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...

Dimanche 23 juin 2019

ZC Type Mechanical Rotary Blow Flat Bag Filter Introduction: The dust collector adopts a circular body structure with uniform force, good anti-knocking performance, compact structure, high-pressure blower and blower cleaning, and is not limited by the air source condition, and uses...

Vendredi 21 juin 2019

PTH, headquartered in Keqiao District of Shaoxing City, has more than 200 emplyees and a long history. In 1998, PTH began to produces steel structureal parts. In those 10 years, PTH production emphasis has gone through the transformation from the production of door and window fittings...

Jeudi 20 juin 2019

A filter paper is an effective filter medium and has been widely used in various fields. The technical indicators of a filter papers can be divided into two aspects: one is the filter characteristics and the other is the physical characteristics. Filtration characteristics include permeability...

Mercredi 19 juin 2019

The most important process of the whole purification is selecting the most suitable Flash column. And now we will talk about the key content of the column: stationary phase. Stationary phase, commonly known as filler, is the most central part of chromatography. When we choose the...

Mardi 18 juin 2019

Quantité : 20 tones - Prix : 11 euro/kg

nous vous proposons des noix de haute qualité, raffinées à la main, sélectionnés bio ou cultivées de manière traditionnelle, ainsi que des noix non raffinées provenant des zones écologiques de la république de moldavie les moitiés de noix claires – 90% du lot (+/- 5%) les quarts...

Mardi 18 juin 2019

High and low temperature impact thermal shock chamber for sale is a necessary test equipment of material such as metal, plastic, rubber, electronics and so on, used for testing material structure or composite material. It can figure out the tolerance degree in the instantaneous continuous...

Samedi 15 juin 2019

Conveyors are used for product conveying. There are different types of the conveyor, which can be used for conveying various kinds of products. Flexible conveyor is a device designed to transport raw materials, semi-finished products or products in order to improve the efficiency...

Samedi 15 juin 2019

With the development automation technology, automatic welding technology is more advanced. Automatic welding machine plays an important role in the application of various industries, and its application is expanding rapidly. In the modern industrial production, the mechanization and...

Vendredi 14 juin 2019

By revolutionizing liquid handling in the modern lab, the invention of electronic pipettes is one of the greatest advances in pipetting technology. First, for scientists who don't have plenty of time in the lab, any advantage that can save time on pipetting is welcomed. Divided into...

Mercredi 12 juin 2019

- - - Why Lift Standing Desk? - No matter sitting office or standing office for a long time has a bad physiological impact on the human body, only sitting and standing alternate office is the most scientific, the most healthy way of office, sitting and standing alternate office...

Lundi 10 juin 2019

Our company clean room automatic doors factory offer clean room doors include metal door (aluminum frame plus PCGI door), steel door (steel frame PCGI door) and HPL door (HPL sandwich panel and aluminum or steel frame). According to the switch mode of the door, it can be divided into...

Lundi 10 juin 2019

Features Now it has been developed into high-precision electric type, which is compared with traditional structure mode, with higher transmission accuracy, faster-feeding speed, more compact structure, more stable performance, and greatly improved production efficiency. The basic...

Dimanche 09 juin 2019

Based on much experiences on providing quality, cost-effective and long lasting roll forming systems Metal steel sheet slitting machine main types: 1. Simple metal slitter 2. Liquid pressure semi-automatic working metal slitter 3. Fully automatic metal slitter Metal steel sheet slitting...

Dimanche 09 juin 2019

Based on much experiences on providing quality, cost-effective and long lasting roll forming systems Classification and Characteristics of Stainless Steel Slitting Machine 1. Small stainless steel slitting machine (it can be divided into manual steel cutting machine and semi-automatic...)

Vendredi 07 juin 2019

Quantité : 4 pcs - Prix : USD 10-470

Hoan multi-application wire rope vibration is used widely in the field of RC car, camera drone, UAV camera, video, military vehicles, highway transportation, marine, shipbuilding, navy, energy, photographic equipment, aerial equipment, communication apparatus, electronic sensing devices...

Vendredi 07 juin 2019

- The Handling Materials of Sand Making Machine: - Sand making machine can be used to handle some materials such as pebble, calcite, granite, quartz, concrete, dolomite, bluestone, iron ore, limestone, construction waste, etc. - The Introduction and Function of Artificial Sand Making Machine...

Vendredi 07 juin 2019

- The Application and Usage of Impact Crusher: - Impact crusher is suitable for materials whose compressive strength is under 350Mpa, and particle size is less than 500mm.Impact crusher is widely used for sand and rock producing in the industries of roads, railways, reservoir, electricity...

Vendredi 07 juin 2019

Quantité : 4 pcs - Prix : 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...

Vendredi 07 juin 2019

Extraction thimbles are a kind of cylinders used for filtering gas medium or liquid medium, which are divided into three categories in accordance with the material: cellulose, glass fiber and quartz fiber. Cellulose exaction thimbles are mainly used for general Soxhlet extraction...

Samedi 01 juin 2019

General Categories of Filter Papers All the Filter Papers of Hawach Scientific Co., Ltd are made of cotton fiber, which can also be divided into qualitative filter papers and quantitative filter papers. The former can be confirmed its compositions and possesses a standard level and...

Samedi 01 juin 2019

The theory of high frequency welding equipment: Under the effect of the high frequency electric field, the positive and negative charges of the substance to be heated displace to form electric pole polarons. The polarons polarize repeatedly to cause the molecules to produce the intense...

Vendredi 31 mai 2019

Quantité : 1 - Prix : USD500

We RONRUI New Energy is a professional supplier provide various kinds of air source heat pump based in China. Our products are divided into different models depend on its heating capacity, including 9kw air source heat pump, 15kw air source heat pump, 18 kw air source heat pump, 20kw...

Vendredi 31 mai 2019

A sample vials cap (or gasket), made of paper, rubber, corkwood, metal, glass fiber or plastic polymer, is placed between the two planes to strengthen the seal and prevent fluid leakage. Machined surfaces cannot be perfect so use caps to fill in irregularities. Asbestos may be present...