PREPARATION - 1250 Annonces

Mardi 23 juin 2020

Quantité : 500000tons - Prix : $5-$200000

The tie-back assembly is a special tie back cementing tool for tieback operation. Tieback equipment allows existing liners with a receptacle to be extended to the surface or farther up hole, and provides a high-pressure seal at the top of a cemented or uncemented liner. TIW offers...

Samedi 20 juin 2020

GKLM series vertical grinding mill is one advanced powder grinding 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, grinding and collecting...

Samedi 20 juin 2020

Quantité : 800sets/mo - Prix : 700-10000

YZYX120 series are commonly use for oil processing workshop, which also suit for oil mill factory. It has the low oil content of the dry cakes after pressing, which can arrive at less than 6%, is much lower than the national standard 8%. Main equipment parameters of YZYX120 Screw...

Mardi 16 juin 2020

Quantité : 1 - Prix : 65000$

1. Container side loaders are designed to work in narrower aisles and doorways. The waiting time is eliminated so that other lift-type machines are available, as well as the need for expensive land preparation. 2. Since the load is carried on the side, the operator has clear visibility...

Vendredi 15 mai 2020

Quantité : 4.000.000 - Prix : 0,26 €

PRODUITS AVEC TOUT LES CERTIFICAT EUROPEEN Les masques faciaux sont non tissés Résistance aux fluides modérée: 120 mmHg Barre de nez adaptable Ajustement parfait Acheteurs en gros, merci de bien vouloir diriger pour le prix. produit disponible en france par minimum de commande 50000 pcs : ...

Lundi 13 avril 2020

Characteristic of QuEChERS Extraction Salts The QuEChERS method is fast, simple and economical, and Hawach makes the QuEChERS program easier. Specialized glassware is not required when you use Hawach QuEChERS to pick up bags and tubes. The freely flowing extracted salt and salt packs...

Jeudi 09 avril 2020

Application of Membrane Filter The use of the filter membrane does not require special chemical treatment of flocculation, nor does it require evaporation separation, only need the pressure to separate solid from liquid, which is a major feature of filter membrane treatment. Filter...

Mardi 24 mars 2020

The capacity of the SPE cartridge refers to the adsorption amount of the column packing. For silica-based solid-phase extraction columns, the capacity is generally 1 to 5 mg/100 mg, which means that the column capacity is 1% to 5% of the mass of the packing. The capacity of the bonded...

Lundi 23 mars 2020

Advantages of flash column FLASH chromatography is used for preparation and has the following advantages: 1. Fast speed, generally 1/8 of the separation time of open column chromatography, saving time, slow sample change and decomposition 2. Large preparation volume, at least as compared...

Vendredi 20 mars 2020

Quantité : 1USD—100US - Prix : 1USD—100USD

Meniscus Cutter Description Application domain: for arthroscopy endoscope Material: Super-high rust-resistant high-hardness stainless steel, ceramics, generally stainless steel LZQ is an OEM factory for all kinds of shaver blades, such as Endoscopic/Arthroscopic Shaver blade P259...

Jeudi 12 mars 2020

What areSyringe filter syringe filters used for? syringe filter, also known as needle filter, cylinder filter, cylinder filter membrane filter, etc., is used for sample prefiltration, clarification of the removal of particles, liquids and gases, etc. What are the advantages of using...

Lundi 09 mars 2020

The QuEChERS method has the following advantages : (1) high recovery rate, which is greater than 85% for a large number of polar and volatile pesticide varieties;(2) high accuracy and accuracy, can be corrected by internal standard method;(3) a wide range of analyzable pesticides...

Vendredi 28 février 2020

GÉNÉRAL: Kwang Dah a accumulé beaucoup d'expérience dans la production de machine de remplissage, de bouchage et de fermeture de liquide pendant de nombreuses années. Nous avons développé la machine de préparation aseptique en ligne conçue pour les flacons et les collyres. Il peut...

Vendredi 24 janvier 2020

Quantité : 1 - Prix : 1,00 €

Mandarin language school Beijing is located in the heart of Beijing's central business district and gives you the perfect learning environment; modern, professional and welcoming. Our Chinese school in Beijing offers the same curriculum, courses and level of teaching quality as our...

Vendredi 24 janvier 2020

Quantité : 1 - Prix : 1,00 €

Mandarin House Shanghai - People's Square is located in the heart of the city and provides you with high quality Chinese courses and a professional and friendly learning environment. Our Chinese school Shanghai offers the same curriculum, courses and level of teaching quality as our...

Mardi 21 janvier 2020

Syringe filter is separation equipment which can be combined with a injector to filter out the impurities from the sample of chemically turbid solution. Syringe filter generally consists of a plastic housing and a membrane. The body of syringe filter (plastic housing) is usually made...

Mardi 21 janvier 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Lundi 20 janvier 2020

As we know, five steps required for solid phase extraction cartridge: sample preparation, activation or equilibration of the column, loading, rinsing and eluting the compound of interest. There is no uniform regulation for that the solid phase extraction cartridge should be activated...

Dimanche 19 janvier 2020

The QuEChERS method is a sample preparation technology based on solid-phase extraction and matrix solid-phase dispersion technology. It is suitable for the treatment of low-fat samples and can achieve ideal results for samples containing less than 15% fat. Because of its simple operation...

Jeudi 16 janvier 2020

Quantité : 30 sets/mo - Prix : 1500USD-30500USD

This type of semi automatic pouch filling machine can complete the measurement, filling and the like, and is suitable for measuring powdery and granular materials with poor flow or fluidity, such as milk powder, protein powder, rice flour, milk tea, solid beverage, coffee powder, white sugar...

Jeudi 16 janvier 2020

Quantité : 30 sets/mo - Prix : 1500USD-30500USD

The post lifting bin mixer can automatically complete the functions of lifting, mixing and lowering, and is ideal mixing equipment for the solid preparation of the pharmaceutical industry. This model can be fully automated and only needs to input relevant data on the control screen...

Vendredi 10 janvier 2020

When selecting the filter paper, people should combine the Rf value of the separated object. For the compounds with slight differences in Rf values, slow filter paper can be used to separate the compounds clearly because using the fast filter paper will cause the inseparable weight...

Mercredi 08 janvier 2020

When the filter element has been used for a long time and the filtration speed still recovers less than ideal after recoil with the above method, the filter element can be removed and immersed in NaOH solution with a concentration of 2-4% for 4-8 hours. Then, clean water filtered...

Mardi 07 janvier 2020

Originally designed to analyze fruits and vegetables, QuEChERS now includes a variety of products. Since being developed and released by scientists at the United States department of agriculture in 2003, QuEChERS has gained increasing popularity as a method of selection. It combines...

Vendredi 13 décembre 2019

In order to prolong the service life and obtain the best performance, there are some instructions to follow. It is better to spray the filter paper with water before using, because the dry filter paper has poor filtration effect and is easily been sucked away by the filter paper,...

Mercredi 11 décembre 2019

Syringe filters are used in a wide range of laboratories to provide fast and efficient water and organic solution filtration solutions. It is made from a variety of membrane filters containing polypropylene housings, and special injection molding processes increase burst pressure...

Mardi 10 décembre 2019

Mixed cellulose ester (MCE) filter membrane is made of refined nitrocellulose and added with the appropriate amount of cellulose acetate, acetone, n-butanol, ethanol, etc. It is hydrophilic, non-toxic and hygienic. The MCE filter membrane is mainly used for filtering aqueous solutions...

Jeudi 14 novembre 2019

Edon gas-liquid mixing pump(we can also call it nano micro bubble generator or air bubble generator) is a horizontally mounted self-priming gas-liquid mixing pump. It uses a standard click coupling connection. The pump's wetted components are all made of stainless steel. The suction...

Mercredi 06 novembre 2019

Quantité : 500square - Prix : 25usd

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...

Mardi 05 novembre 2019

Quantité : 20 - Prix : 20,000 USD - 800,000

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...