Friday 09 August 2019

Vacuum pump use precautions The function of the vacuum pump is to remove gas molecules from the vacuum chamber and reduce the gas pressure in the vacuum chamber to achieve the required vacuum. In general, there is a large range from atmospheric to very high vacuum, and so far no vacuum...

Friday 09 August 2019

- Some Tips In QuEChERS D-SPE? - Why choose anhydrous magnesium sulfate as a water remover? In the d-SPE purification process, the moisture content plays a crucial role in the purification effect of PSA. The lower the moisture content, the better the purification effect of PSA. Experiments...

Friday 09 August 2019

As a matter of fact, the quartz fiber extraction cannot be accessible in China, so Hawach has to design the other two products—cellulose and glass fiber exaction thimbles whose relevant parameters are respectively introduced as follows. Cellulose Exaction Thimble It is composed of...

Friday 09 August 2019

What is the bottle-top dispenser? During a scientific experiment, a bottle-top dispenser can indicate its excellent precision and high-repetition of separating operation without wasting solvents. While handling with some corrosive liquids or solvents, it provides safety assurance...

Friday 09 August 2019

Filter Paper is a tool commonly found in chemical laboratories for separation of two-phase, and usually round in shape. To filter two phases so as to separate and purify matter, most of the filter paper is made of cotton fiber and is made in different ways for different purposes....

Friday 09 August 2019

Reversed-phase chromatography (RPC) contains any chromatographic method using a non-polar stationary phase. The word “reverse” has a historical background. In the 1970s, most liquid chromatography was performed on unmodified silica or alumina. Their surface chemistry is hydrophilic...

Thursday 08 August 2019

Bonjour, Nous recherchons un fournisseur/vendeur de cimment pour une importante quantité de ciment environ 150.000 tonnes. Merci de nous contacter pour les détails. Hervé ADJAHO Ubicación : Cotonou, République du Bénin, 229 Cotonou, Persona a contactar : Hervé ADJAHO, +22 9 60 80...

Thursday 08 August 2019

Cantidad : 5248 - Precio : 3,00 €

* Offre réservée UNIQUEMENT aux professionnels France-Invendus, leader n° 1 du déstockage, vous propose Stock de VOITURE RADIOCOMMANDÉE pièces 5248 prix de vente : 3.00 € Vente en gros uniquement pour plus d'information, merci de nous contacter au 00 212 531 060 175 ou par mail kremiki@france...

Thursday 08 August 2019

Cantidad : 10152 - Precio : 1,10 €

* Offre réservée UNIQUEMENT aux professionnels France-Invendus, leader n° 1 du déstockage, vous propose Stock de SET D'ALIMENTS A DÉCOUPER 8 PIÈCES 4 MODÈLES pièces 10152 prix de vente : 1.10 € Vente en gros uniquement pour plus d'information, merci de nous contacter au 00 212 531...

Thursday 08 August 2019

Cantidad : 10800 - Precio : 0,50 €

* Offre réservée UNIQUEMENT aux professionnels France-Invendus, leader n° 1 du déstockage, vous propose Stock de SET DE 4 MINI VOITURES pièces 10800 prix de vente : 0.50 € Vente en gros uniquement pour plus d'information, merci de nous contacter au 00 212 531 060 175 ou par mail kremiki@france...

Thursday 08 August 2019

Cantidad : 9600 - Precio : 1,05 €

* Offre réservée UNIQUEMENT aux professionnels France-Invendus, leader n° 1 du déstockage, vous propose Stock de CAMION DE FRICTION DE CHANTIER pièces 9600 prix de vente : 1.05 € Vente en gros uniquement pour plus d'information, merci de nous contacter au 00 212 531 060 175 ou par...

Thursday 08 August 2019

Cantidad : 7296 - Precio : 2,35 €

* Offre réservée UNIQUEMENT aux professionnels France-Invendus, leader n° 1 du déstockage, vous propose Stock de VOITURE RADIOCOMMANDÉE pièces 7296 prix de vente : 2.35 € Vente en gros uniquement pour plus d'information, merci de nous contacter au 00 212 531 060 175 ou par mail kremiki@france...

Thursday 08 August 2019

Cantidad : 5000 - Precio : 1,75 €

* Offre réservée UNIQUEMENT aux professionnels France-Invendus, leader n° 1 du déstockage, vous propose Stock de OURS EN PELUCHE 40 CM pièces 5000 prix de vente : 1.75 € Vente en gros uniquement pour plus d'information, merci de nous contacter au 00 212 531 060 175 ou par mail kremiki@france...

Thursday 08 August 2019

Precio : $31.50

Padieoe Tattoo Kit 2 Tattoo Machines 10 Color Inks 1 Dual Power Supply 10 Tattoo Needles CD010 About the product - Complete tattoo kit is a good choice for BEGINNERS, LEARNERS,PROFESSIOAL TATTOO ARTISTS. - 2 Padieoe 10 coils tattoo guns for liner and shader - 10 random color tattoo...

Thursday 08 August 2019

Cantidad : 50 - Precio : $23

Beginner Tattoo Kits 1 Tattoo Machine 4 Colors Inks Power Supply 5 Tattoo Needles for Artists CD005 About the product - Complete tattoo kit is a good choice for BEGINNERS, LEARNERS,PROFESSIOAL TATTOO ARTISTS - 1 Padieoe 10 coils tattoo gun for liner and shader - 4 random color...

Thursday 08 August 2019

Basic information This valve can be used to cut off, switch on and adjust the medium in the pipeline. Features 1. Disc and stem are connected without the pin, and the connection is reliable; 2. Concentric sealing design with light torque and good sealing performance; 3. Disc is vulcanized...

Thursday 08 August 2019

Basic information Venturi flowmeter is adopted in the body of a balanced valve with threaded connections to make flow adjustment more accurate and flow monitoring more convenient. Accurately balance the flow of each branch or end of the system. Features 1. Good sealing, no , easy...

Thursday 08 August 2019

Basic information This valve can strictly prevent the occurrence of backflow pollution, is a safe device to ensure the hygiene of drinking water. Features 1. More superior streamline design, energy - saving effect； 2. Discharge control device and outlet are designed without obstacles...

Thursday 08 August 2019

Basic Information This float controlled water valve the level of the water in the water tower or sink. Features 1. Stable and reliable work, large flow; 2. Disc fast open and slowly closed, no water hammer impact; 3. Good sealing effect and long service life; 4. Install at any location...

Thursday 08 August 2019

Basic information This double flapper check valve can be installed at the water outlet of the pump or the water outlet pipe to prevent backflow of the medium. Features 1. Switch can be up to 100,000 times; 2. Full flow area, low flow resistance; 3. Less likely to accumulate debris; 4...

Thursday 08 August 2019

Cantidad : 15/ week - Precio : $150-$450/m

Introduction Of Outdoor Artificial Washington Palm Tree Material Leaves: UV-protected Plastic Leaves Trunk: Outside: UV-protected Fiberglass And Plastic Trunk Inside: Strong Steel Pipe Bottom: Square Steel Plate Total height 5 m-15 m (16 ft-50 ft) Diameter of the crown 3...

Thursday 08 August 2019

More than 90% of gas chromatographic problems occur in the inlet, and it is necessary to see which problems may occur in the inlet. Problem No.1: Leak If there is a leak, the pressure on the inlet may not be maintained, and the instrument will alarm. If the problem cannot be solved in time...

Thursday 08 August 2019

As a single-use filter cartridge, Syringe filters are utilized to remove particles from the sample prior to high-performance liquid chromatography (HPLC). The scientists like to attach them to the end of the syringes for general filtration, as syringe filters are affordable and convenient...

Thursday 08 August 2019

Considering the comparative simplicity and maturity of the glass vial, customers rarely complain about its quality. However, the applicability of the autosamplers is actually essential to big manufacturing companies. Severely in terms of International Standard, vials of Hawach are...

Thursday 08 August 2019

Flash columns adopt high-capacity silica gel for precise filling, which has very excellent separation and purification performance. The specific surface area of high-capacity spherical silica gel is 40% higher than that of ordinary spherical silica gel, and the sample loading is twice...

Thursday 08 August 2019

The membrane filter is widely used in today's life, including ultrafiltration membrane, microporous membrane, nanofiltration membrane, microfiltration membrane, mesopore fiber ultrafiltration membrane, etc. Role of the membrane filter 1. Treatment of solute separation and concentration...

Thursday 08 August 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...

Thursday 08 August 2019

Most common SPE cartridges are injection syringes made of polyethylene, in which there are two plugs made of polypropylene or fiberglass, with a certain amount of chromatographic adsorbent (filler) between the two plugs. SPE cartridges without sieve plate 1. Avoid “non-specific adsorption” 2...

Wednesday 07 August 2019

Panneaux solaire de marque ECO DELTA POWER fabrication Chinoise de tres bonne qualitee possible de livre partout en Afrique et Europe, mono ou poly de 40 W à 380 W , Ubicación : 84 BLOC L CITE EL HOUDA, 80200 AGADIR, Persona a contactar : Mohamed Rabib, 00212613338085

Wednesday 07 August 2019

Cantidad : 6600 - Precio : 1,40 €

* Offre réservée UNIQUEMENT aux professionnels France-Invendus, leader n° 1 du déstockage, vous propose Stock de JEU DE LA TOUR INFERNALE (54 PIÈCES) pièces 6600 prix de vente : 1.40 € Vente en gros uniquement pour plus d'information, merci de nous contacter au 00 212 531 060 175...