METHODS - 9119 Annonces

Mardi 17 mars 2020

Cleaning and storage of HPLC column Have a good understanding of the sample made, and wash it with the mobile phase that has the strongest eluting capacity for the sample. For silica gel HPLC column, first wash away the polar impurities with methanol, then use dry dichloromethane...

Mardi 17 mars 2020

Quantité : 50000/mont - Prix : 10usd

BEST Grounding Module Performance and characteristics of BEST grounding module: The low-resistance grounding module is a non-metallic material-based grounding body composed of non-metallic minerals with good conductivity and chemical stability, metal ground rods, electrolytes and humectants...

Mardi 17 mars 2020

Quantité : 50000/mont - Prix : 10usd

Exothermic Welding Exothermic welding for grounding , also called hot melt welding, fire-clay welding, thermite welding and explosion welding, is a high-heat principle that utilizes the redox reaction between metals, the operation of which is simple, easy to learn, safe and efficient...

Mardi 17 mars 2020

Quantité : 50000/mont - Prix : 10usd

Chemical Ground Electrode System Performance characteristics and working principle of chemical ground rod : 1. Chemical ground electrode 2. Existing soil 3. Special filler 4. Ions diffuse around 5. Expand the conductive range of the soil Chemical Grounding electrode (chemical grounding...)

Mardi 17 mars 2020

Quantité : 50000/mont - Prix : 10usd

0.8 Series CCS Round Wire Origin of new material development 0.8mm series copper-clad round CCS wire is a new type of material developed by our Company to replace pure copper. Because it has the advantages of high strength, low price, high corrosion resistance and high conductivity of copper...

Lundi 16 mars 2020

Prix : De 450 Francs CFA à

technico-commercial et apporteur d'affaires pour une société ivoiro-belge ayant une grande usine basée en côte d'ivoire, nous vendons les noix de cajou brutes et décortiquées. conditions pour demander une cotation : envoyez une loi à notre adresse en précisant la quantité, type de...

Lundi 16 mars 2020

Our products are the things used in the QuEChERS method, including two major categories: extraction boxes and purification boxes; extraction boxes include salt bags and 50ml centrifuge tubes, but due to the high shipping costs of 50ml centrifuge tubes and common in customer laboratories...

Samedi 14 mars 2020

- Welcome to Hawach Scientific Co., Ltd! - Preparing to launch a new project or enter a new market? With Hawach's custom synthesis services, you are not alone. As one of the chemical manufacturing companies, we specialize in implementing your exclusive project. From chemical design...

Samedi 14 mars 2020

Quantité : 5000 ton/p - Prix : ＞0.8USD

Product description Bright Annealed Tubes Description Bright annealed stainless steel tube is a kind of high precision steel tube material after finishing or cold rolling. Due to the advantages of no oxide layer both inside and outside wall, no leakage under high pressure, high precision...

Samedi 14 mars 2020

Do you want to buy flexible pcb? Flexible printed circuit boards, also called Flexible PCBs or Flex PCBs, derive their name for their ability to enable the circuitry to be designed to fit the electronic device or product, as opposed to building the device to conform to the circuit board...

Vendredi 13 mars 2020

Quantité : 4 pcs - Prix : USD 10-470

Difference between vibration absorber and vibration isolator The shock absorber industry has developed a lot of shock absorber components. There are more and more rubber shock isolators on the market, and many consumers are picking on them. In the eyes of the layman, it is true that...

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...

Jeudi 12 mars 2020

There are three types of sample vial caps: the jaw cover, the clamping cap, and the screw cap. Each sealing method has its own advantages. Jaw Cap The clamp cover presses the gasket between the bottle edge of the glass sample bottle and the folded aluminum cover. The sealing effect is very good...

Mercredi 11 mars 2020

- Concentrated Quaternary Ammonium Compounds Disinfectant - Features Broad spectrum activity and long lasting bactericide, virucidal, fungicide, sterilization rates>99.999%. Nonirritating, nontoxic, chlorine and free. Noncorrosive to most material. Stable and easy to handle, store...

Mercredi 11 mars 2020

Glass Beads can be used in all water and oil based drilling fluids to reduce torque and drag and to aid in the prevention of differential sticking. They should have no measurable effect on the desired properties of the mud system and can be removed by a desilter or centrifuge. Adding...

Mercredi 11 mars 2020

C5 petroleum resin is a certain petroleum resin applicable for hot melt road paint, which can enhance the tenacity, rigidity and adhesive force of dope and form smooth paint surface, and also ensures the stable state of the resin in the all seasons, and have a better mixing with rosin-like...

Mercredi 11 mars 2020

Use of pipette: a. Set liquid volume: 1). When adjusting from large volume to small volume, you need to use the normal adjustment method and rotate the scale anticlockwise. 2). When adjusting from small volume to large volume, adjust clockwise to the scale exceeding the set volume...

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 06 mars 2020

Quantité : 1 - Prix : USD 200000-1000000

- Products Description - Energy supply Power supply 380V/415V/440V.50/60HZ or based on customer plant requirement Water supply City water or tap water Heating Electric or steam or air energy, based on customer requirement Auxiliary equipment pure/DI water treatment system...

Vendredi 06 mars 2020

Quantité : 1 - Prix : USD 200000-1000000

- Products Description - Energy supply Power supply 380V/415V/440V.50/60HZ or based on customer plant requirement Water supply City water or tap water Heating Electric or steam or air energy, based on customer requirement Auxiliary equipment pure/DI water treatment system...

Mercredi 04 mars 2020

Quantité : 2 million - Prix : 0.1-6

Rubber tactile paving (XC-MDB7001B) Warning and Directional PU mat with self-adhesive glue DIMENSIONS: W: 300mm x L: 300mm x Thickness: 7mm FIXING METHOD : Glue TACTILE TYPE: Warning and Directional LOCATION : Indoor, Outdoor UV STABILITY: Yes MATERIALS: POLYURETHANE Packing：25pcs per carton...

Mercredi 04 mars 2020

Quantité : 2 million - Prix : 0.1-6

Waring Brass tactile indicator (XC-MDD2002) Circled surface,Solid studs with pin Place of Origin: Zhejiang,China (Mainland) Brand Name: XC Advantage: Factory Directly Sale Function: Anti-slip and provide protection for the blind and disabled The Details of Brass studs DIMENSIONS...

Mercredi 19 février 2020

Product: forged trunnion ak Application: hydraulic cylinder, truck Place of origin: Hebei, China (Mainland) Material: C45, 20, ASTM A216 70-36 grade WCB Process: die mold forged, forging + CNC machining, Surface treatment: anti-rust oil or painting Surface roughness: 12.5Ra Weight: 0...

Mercredi 19 février 2020

Product: hydraulic cylinder head Application: hydraulic cylinder Place of origin: Hebei, China (Mainland) Material: C45, 20, ASTM A216 70-36 grade WCB Process: die mold forged, forging + CNC machining, Surface treatment: anti-rust oil or painting Surface roughness: 12.5Ra Weight: 0...

Mercredi 19 février 2020

Product: forged steel clevis Application: hydraulic cylinder Place of origin: Hebei, China (Mainland) Material: C45, 20, ASTM A216 70-36 grade WCB Process: die mold forged, forging + CNC machining, Surface treatment: anti-rust oil or painting Surface roughness: 12.5Ra Weight: 0.5-50kg...

Mardi 18 février 2020

Quantité : 100 - Prix : 100usd

Do you want to buy membrane switch? We are professional membrane keypad suppliers. A membrane switch and panel or more precisely a standard membrane switch assembly is comprised of several flexible layers that make up a complete switch package. This assembly can have as few as one...

Vendredi 14 février 2020

Quantité : 5000 MT - Prix : 8500usd

NOUVELLE SAISON 2020 (BÉNIN) CAJOU brute * ORIGINE: BÉNIN et Burkina Faso * TYPE DE PRODUIT: noix de cajou récolte 2020 * Count nuts: 160–200 * CHARGEMENT PORTUAIRE: Port Cotonou ou port Lomé * PRIX: usd fob or cif * Outturn: 47/48/49 * HUMIDITÉ: 8% max * Quantité: 5000mt _10000mt...

Mercredi 22 janvier 2020

The sealing property of the headspace vial is better than that of the threaded vial, and the rubber or silica gel has good re-sealing after the puncture, so it is ideal to preserve the reagents. If some of the organic solvents in use will corrode the silicone or rubber bottle pad...

Mardi 21 janvier 2020

Vanille TK NOIRE de Madagascar Capacité d'approvisionnement : 500 kg par semaine Mode de paiement : Acompte de 30% & le reste à payer à la reception de la marchandise Achat minimum : 20 kg Prix : 350€ / kg Détail d'emballage: Selon la demande de l'acheteur Lieu d'origine : MADAGASCAR...

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...