METHODS - 9082 Annonces

Lundi 30 mars 2020

Classification Divide fat belly pipette and commonly used pipette. It consists of a rubber nipple and a glass tube with a pointed mouth. Use Extract or add a small amount of reagent and extract supernatant to separate the precipitate. Matters needing attention During drip-adding,...

Lundi 30 mars 2020

1. Why does the QuEChERS approach recommend use dry ice or liquid nitrogen homogenizing frozen samples and extracting samples while frozen? The frozen samples were homogenized with dry ice or liquid nitrogen, and the samples were made into a fine powder (smaller particle size, more homogeneous)...

Dimanche 29 mars 2020

Quantité : 2000 pcs - Prix : Contact us

Il est utilisé dans les institutions médicales pour la protection lors de l'inspection et du traitement, le blocage des fluides corporels, les éclaboussures de sang ou les éclaboussures. Model NO.: RJ-801 Product Name: Face Shield Material: 100% anti-fog PET Color: Transport Certificate: CE...

Dimanche 29 mars 2020

Quantité : 2000 pcs - Prix : Contact us

Utilisé dans les institutions médicales pour la protection lors de l'inspection et du traitement, le blocage des fluides corporels, les éclaboussures de sang ou les éclaboussures. Model NO.: RJ-801 Product Name: Face Shield Material: 100% anti-fog PET Color: Transport Certificate: CE...

Samedi 28 mars 2020

Les grenailleuses sont une solution automatique et industrielle pour les aciéries de masse comme les poutres, tôles, tuyaux et autres métaux. L'équipement de dynamitage des roues entraîne des turbines avec des grenailles d'acier et des grains avec> 70 m / s pour heurter la surface métallique...

Samedi 28 mars 2020

The six section pump truck, as the name implies, is a product type of the pump truck. With the help of six steel arms, it creatively USES bionics technology to integrate the mechanism of human hand movement and insect foot movement into the design of concrete pump truck dimensions...

Samedi 28 mars 2020

Quantité : 100 - Prix : 17 000,00 €

The equipt concrete is an excellent medium and short arm pump truck, which is made after HBT towing pump, HBC on-board pump and HGY hydraulic concrete dispenser. It is a high-efficiency, integrating running, pumping and cloth. At present, some advanced manufacturers have begun to...

Mardi 24 mars 2020

(1) No coagulant required From the past experience of using filter membranes, the raw water used for drinking water (river water, reservoir water, and eutrophic lake water) is treated with MF membrane without coagulant, and the conventional methods of coagulation, precipitation, and...

Mardi 24 mars 2020

Remove the column outlet end If the pressure does not drop, the HPLC column is blocked. Treatment: if the buffer salt is blocked, flush 95% water to normal pressure. If some strongly retained substances cause blockage, the mobile phase stronger than the current one should be used...

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...

Vendredi 20 mars 2020

Sintered neodymium magnet is the strongest magnetic material commercially available today. It is largely made of alloy of neodymium, iron and boron, and the chemical formula is Nd2Fe14B. Sintered NdFeB neodymium magnet exhibits high magnetic energy product in small size with high coercive forces...

Vendredi 20 mars 2020

The automatic dust cleaning methods commonly used in extraction thimbles include high-pressure gas pulse backflush and mechanical vibration. Pulse backflushing uses a preset parameter of the controller to give a signal to the solenoid valve, instantly opens and closes the solenoid...

Jeudi 19 mars 2020

Quantité : 1 - Prix : 100,00 €

DX-105T Tobacco Check Moisture Tester Digital Professional Tobacco Moisture Meter Humidity Tester Handheld Portable 8%-40% DX-105T The Tobacco Moisture Meter is a valuable testing instrument during the Tobacco collection, processing and when buying or selling. The newly designed DX-105T...

Jeudi 19 mars 2020

Quantité : 1 - Prix : 100,00 €

DX-103G Grain Moisture Meter The grain moisture meter DX-103G is used for fast and accurate measurement of moisture in the process of allotment, acquisition, storage, machining of packed grains, barley, corn, hay, oats, rapeseed, rough rice, sorghum, soybeans and wheat. Features of...

Jeudi 19 mars 2020

Quantité : 1 - Prix : 100,00 €

DX-102G Flour Moisture Meter Features of DX-102G Flour Moisture Meter: 1) It is portable, compact, and easy to use, the moisture measurement reading are instant. 2) Digital display with back-light gives exact and clearly reading although you stay at the dark conditions. 3) It will...

Jeudi 19 mars 2020

One of the common making concrete sleepers is cement railway sleepers, which are made of C50 concrete. In order to ensure the quality, the raw materials used in train track sleepers should meet the requirements and the quality should be qualified. Moreover, the proportion of concrete...

Jeudi 19 mars 2020

What is the Vacuum Casting? The china vacuum casting technology which uses prototype (SLA laser rapid prototyping piece, CNC products) to make silicone mold under vacuum, and is poured under vacuum conditions, such as PU, ABS, etc. Vacuum casting is also used to clone the prototype...

Jeudi 19 mars 2020

What is Sheet Metal Processing? Sheet metal process services or sheet metal fabrication includes: folding, shearing, punching, welding, riveting, splicing and other processes. In general, the process of forming a sheet by hand or mechanical is called sheet metal processing. Sheet...

Jeudi 19 mars 2020

What is China rapid prototyping? plastic prototype service is a kind of professional manufacturing technology that is used to produce high-quality entity models of three-dimensional designs. Prototypes are useful for design improvements and can be used as stepping stones for comprehensive...

Jeudi 19 mars 2020

Are you looking for rapid prototype service china? 3D printing technology is a collective term for a series of rapid prototyping technologies, the basic principle of which is laminated manufacturing. 3d printing service providers will use a computer-aided design model to produce a...

Mercredi 18 mars 2020

Sample vials are widely used in the lab. It is a special appliance qualified for cleaning according to the international standard: ISO3722 “Identification of Cleaning Methods for Hydraulic Transmission and Sampling Containers”. It's different from other liquid samplers, just a drink...

Mardi 17 mars 2020

Quantité : 200,000 pc - Prix : usd160-500

Ultrafiltration (UF) is a variety of membrane filtration in which forces, such as pressure or concentration gradients, cause separation through the semi-permeable membrane. High molecular weight suspended solids and solutes remain in the so-called retentate while water and low molecular...

Mardi 17 mars 2020

Quantité : 200,000 pc - Prix : usd160-500

Ceramic membranes (Porous Ceramic Membrane & tubular ceramic membrane) are available for microfiltration, ultrafiltration and nanofiltration as single-channel or multiple-channel elements with channel diameters between 2 and 16mm. Their main characteristics of porous tubular ceramic...

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...