RATES - 8027 Annonces

Vendredi 20 septembre 2019

Silica matrix HPLC columns are generally compatible, but organic polymer matrix columns may expand or contract in some solvent combinations, which will affect their chromatographic behavior. Wash each solvent system at least 20 volumes. Because some solvent systems are highly viscous...

Vendredi 20 septembre 2019

Solid phase extraction is essentially a liquid chromatographic separation. The main separation mode is the same as that of liquid chromatography. It can be divided into normal phase (the polarity of the adsorbent is greater than the polarity of the eluent), and the reverse phase (the...)

Vendredi 20 septembre 2019

Prix : 30-210 USD

Thick Copper PCB Difinition and Thickness There is no exact definition of thick copper in the PCB industry. Generally, the copper thickness ≥ 2oz is defined as Heavy copper PCB. Heavy copper PCB is mainly used in high-current electronic products. High-current electronic products are...

Mercredi 18 septembre 2019

In the analysis of HPLC, the packing size of chromatographic column is small, and it is easy to be blocked by impurity particles. Therefore, samples and solvents need to be pre-filtered to remove particulate pollutants and protect chromatographic columns and instruments. Ion chromatography...

Mercredi 18 septembre 2019

Flash column from Hawach Scientific features in high compatibility, safety, and flexibility, most of them can be used for separation of different compounds with good flow distribution. Customized packing and clean package make the super clean environment and better shipping cost,...

Mercredi 18 septembre 2019

The capsule filter is small in size and mainly used in purification and filtration of chemicals, pharmaceuticals, microelectronic reagents, etc. The filter medium is placed in the interior of the capsule filter in the form of folds, which enlarges the filtering area and ensures the...

Mercredi 18 septembre 2019

Hawach Scientific provide Glass fiber filter membrane, with a binder and without binder both available. Here we introduce the without binder type. Pore size : 0.7um /1.2um Diamter : 13/25/47/50/60/90/100/106/120/142/150/20 0/250mm. Glass fiber filter membrane is chemically inert, without binder...

Mardi 17 septembre 2019

Quantité : 1pcs - Prix : 10-100usd

The main material of the product is aluminum alloy and the main technology is a shear spinning process with one-time molding, producing good heat dissipation effect. There are two types of colors, black and white for selection. The appearance is simple and decent. COB adopts high...

Mardi 17 septembre 2019

Quantité : 1pc - Prix : US $1 - 3,000 / Set

The concentric butterfly valve is characterized by the stem center, disc center and body center in the same position. Such structures are simple to make. The common wafer rubber lined butterfly valves are of this type. The drawback is that the disc and seat are always in the extrusion...

Mardi 17 septembre 2019

Quantité : 1pc - Prix : US $1 - 3,000 / Set

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 of bronze balancing valve 1...

Mardi 17 septembre 2019

Quantité : 1pc - Prix : US $1 - 3,000 / Set

Basic information This bronze adjustable dynamic flow balancing valve is required to maintain the flow of these or end equipment at all times within the working differential pressure range. As the system pressure fluctuates, the valve will automatically move up and down to change the opening...

Mardi 17 septembre 2019

Quantité : 100000pcs/ - Prix : 1.5~4800 USD

Dongjin Group is one of the most professional lifepo4 battery manufacturers china , and it can supply various kinds of batteries, such as 10ah lifepo4 battery, 12v 20ah lifepo4 battery pack and 15ah lifepo4 battery etc. Dongjin Lithium iron Phosphate battery (LiFePO4) is comprised by cells of 3...

Mardi 17 septembre 2019

Quantité : 100000pcs/ - Prix : 1.5~4800 USD

Dongjin Group is one of the most professional EV car battery manufacturers. Dongjin VRLA EV Battery is specially designed for the motive power of electric vehicles other devices require DC power source. EV battery is with long cycle service life, good high rate discharge performance...

Mardi 17 septembre 2019

Quantité : 100000pcs/ - Prix : 1.5~4800 USD

Are you looking for a bike battery manufacturer in order to buy e bike battery? An Electric Bike is a fantastic way to reduce your carbon footprint and to be green. Dongjin group is one of the most professional electric bicycle battery suppliers . Dongjin group has been manufacturing...

Lundi 16 septembre 2019

The benefits of retail led display Audience Attention, Customer engagement, Sales Opportunity•Audience Attention, Customer engagement, Sales Opportunity Increase customer engagement and make a significant impact to your sales uplift. •Present animated videos, create a better shopping experience...

Lundi 16 septembre 2019

Transparent LED Screen Solutions Transparent screen is a forward step innovation version of LED strip screen. Transparent screen solution has features of intelligent control, high transparency, high refresh rate, and DIY installation. With many years of experience in LED, we led display...

Lundi 16 septembre 2019

The extraction is divided into liquid phase extraction (LLE) and solid phase extraction (SPE). SPE technology is a column chromatography separation process. The technology is a combination of liquid-solid extraction and column liquid chromatography. The combination of this technology...

Dimanche 15 septembre 2019

MiniBottles Empty Plastic Bottles Description: The classic cylindrical minibottles wholesale is made of food grade Pet, which is safer and more reliable.T he bottle Cap is made of Screw Cap, which is connected more tightly, ensuring that the bottle does not leak and the smallmouth...

Vendredi 13 septembre 2019

Some samples (such as avocado, peanuts, olive oil, etc.) contain more fat. Due to the limited solubility of fat in acetonitrile, the recovery rate of some fat-soluble pesticides (such as HCB, DDT, etc.) is reduced. How to overcome the low experimental results caused by fat? You can...

Jeudi 12 septembre 2019

The comprehensive energy consumption of the pumping hydraulic system of the upgraded 56 meter concrete pump truck decreased by 4% year on year. Pumping control system efficiency increased by 5% ~ 8%. The vibration damping system of the arm frame reduces the vibration amplitude of...

Jeudi 12 septembre 2019

Quantité : 300pcs/MOQ - Prix : 1.5-10usd

Jietai company's personalized baby play mat and carpets can be customized according to customer requirements, but also provide OEM production services, Jietai carpet sincerely for all customers. Jietai company's premium first-rate multipurpose waterproof mats made with a sturdy five...

Jeudi 12 septembre 2019

Vacuum filtration is a chemistry technique that can allow for a greater rate of filtration in the lab. In normal filtration, the gravity can provide the force drawing the liquid through the filter paper, but a pressure gradient performs this function in vacuum filtration, offering...

Jeudi 12 septembre 2019

Cellulose extraction thimbles are highly recommended as the high-quality sample reservoirs for quality control, research, and analytical applications especially when solvent extraction of solids and semi-solids need to be carried out. And the use of a Soxhlet extractor loads the safe...

Mercredi 11 septembre 2019

Quantité : 2500km/wee - Prix : <$200

Description of Aerial Fiber Optic Cable Aerial fiber optic cable is typically used when installing outside the pole. It is a fiber optic cable. Because the aerial fiber optic cable is installed externally, it is designed to protect against natural damage or man-made damage and theft...

Mercredi 11 septembre 2019

Quantité : 2000sqm/mo - Prix : 500~2000usd/sqm

LED Rental LED Display VI2.6 | VI2.9 | VI3.9 | VI4.8 | VI5.9 VO3.9 | VO4.8 | VO5.9 Front Maintenance Curved Installation Edge-care Design No Light Leakage Light and Thin Parameter V Series Outdoor VO 3.9 VO 4.8 VO 5.9 Pixel Pitch(mm) 3.91mm 4.81mm 5.95mm Pixel Matrix Per Sq...

Mercredi 11 septembre 2019

Quantité : 2000sqm/mo - Prix : 500~2000usd/sqm

Outdoor Commercial Advertising LED Display OF4 | OF5 | OF6 | OF8 | OF10S | OF10D | OF16S Energy saving to save cost Front maintenance to save space Wifi, 4G, cloud, usb, remote control All weather resistant for stable operation High brightness provide perfect performance Parameter...

Mercredi 11 septembre 2019

Quantité : 2000sqm/mo - Prix : 500~2000usd/sqm

LEDFUL fine pitch LED display Pitch P1.0, P1.2, P1.4, P1.5, P1.56, P1.66, P1.92, P2, P2.5 are providing solutions for dispatching center, command center, broadcasting room and TV center, meeting room, stock exchange, press conference, etc. Fine pitch cabinet has fully described the...

Mardi 10 septembre 2019

Quantité : 20,000 ton - Prix : 2.4-2.9$/kg

Description of Food Grade CMC Sodium carboxymethyl cellulose (CMC/cellulose gum) is kind of cellulose ether, can easily soluble in cold and hot water, with maximum yield, most widely and conveniently used among all cellulose products. The main raw material of CMC is refined cotton and wood pulp...

Mardi 10 septembre 2019

GK2150 Raymond Mill Technical & Structural Benefits: This High Pressure Suspension Mill has high output, high-efficiency, and energy saving. It has small floor area and saves workshop. The innovative design of the "maintenance-free device" for roller assembly, Refill grease every 30 days...

Mardi 10 septembre 2019

Qualitative filter papers are widely used for general filtration in the lab. Made of cellulose fiber, they are manufactured from high-quality cotton linters with the treatment of maximizing alpha cellulose. With the highest degree of polymerization, Alpha cellulose is recommended...