SAMPLE - 8641 Anuncios

Lunes 30 marzo 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)...

Jueves 26 marzo 2020

Now, the sample vial has formed a considerable industrial scale, and has been concerned by the instrument industry and academia. At the same time, its application has covered many key industries and fields such as food safety, environmental monitoring, quality inspection, commodity inspection...

Miércoles 25 marzo 2020

Character of syringe filter 1. The PTFE membrane of the syringe filter is completely made of natural and permanent hydrophobic PTFE material. Even under a very low pressure difference, it can ensure that moist air or other gases can pass without hindrance, while the aqueous solution...

Martes 24 marzo 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...

Lunes 23 marzo 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...

Viernes 20 marzo 2020

Cantidad : 30,000 sti - Precio : 1USD—100USD

Stainless Steel Precision Parts LZQ is an OEM manufacturing facility for all sorts of dental implant associated parts, such as implant, screw, abutment, transfer, fixation pin, stopper, impression cap, healing cap, mount, analog, ect. We can produce a entire package of equipment...

Viernes 20 marzo 2020

Cantidad : 30,000 sti - Precio : 1USD—100USD

Sinus Lift Bur Application domain: dental, orthopedic surgery, maxillofacial surgery, neurosurgery Material: Ultra-high anti-rust and high-hardness stainless steel, Ultra high rust-proof and high wear-resistant stainless steel, diamond, carbide, SDC&CBNC LZQ is an OEM factory...

Viernes 20 marzo 2020

Cantidad : 30,000 sti - Precio : 1USD—100USD

Profile drilling Description Super-hard processing of professional, special, non-standard, special shaped and new products with any kind, any shape and tolerance. If you have any similar inquiry, please fax us your address or call us to get samples in the photos and related catalogue...

Viernes 20 marzo 2020

Cantidad : 1USD—100US - Precio : 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...

Viernes 20 marzo 2020

Precio : 200 000,00 €

DM-520/530 DM-5xx series is our most flexible optical measurement solution that address versatile display measurement. We can offer you an optical measurement system whether the measurement of mobile phone display module, backlight module, display application test, or QC / QA measurement...

Viernes 20 marzo 2020

The vacuum filtration collects pollutants (mainly dust) sucked from the atmosphere to prevent system pollution, and is used between the suction cup and the vacuum generator (or vacuum valve). It is mainly suitable for vacuum filtration in the production process of chemical medicine...

Jueves 19 marzo 2020

Cantidad : 1 - Precio : 100,00 €

Spectrum Transmission Meter UV IR Transmission Meter test film glass window tint with 940 IR 365 UV 380-760nm VL LS183 LS183 is able to simultaneously measure and display UV, Visible and Infrared transmission values. This meter is self-contained light sources and self-calibration...

Jueves 19 marzo 2020

Cantidad : 1 - Precio : 100,00 €

The handheld brinell hardness tester manufactured by XZBELEC company apply Brinell hardness testing principle, with 5 kinds of test forces for choosing, they are: 3000kgf test force with 10mm ball indenter 1580kgf test force with 7.26mm ball indenter 500kgf test force with 2.5mm ball...

Jueves 19 marzo 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...

Jueves 19 marzo 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...

Jueves 19 marzo 2020

Project name：Yacht model Material: ABS engineering plastics Process: CNC machining Post treatment: Painting, plating Qty: 1 set Advantages: high precision, fast speed and high processing efficiency Production cycle: 15 days Project requirements: 1. Precise proportion: The yacht model...

Miércoles 18 marzo 2020

Widely used to remove particles from a liquid sample and avoid damage to equipment at the same time, syringe filter is affordable tool in the labs, which the scientists can use for small-volume filtration. You can find two different types of filters, one is with which you can recover your sample...

Miércoles 18 marzo 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...

Martes 17 marzo 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...

Martes 17 marzo 2020

Cantidad : 50000/mont - Precio : 10usd

What is the copper-bonded copperweld steel ground rod? Do you want to buy earth rod? Product Name: Copper coated copperweld steel ground rod Production process: electroplating / continuous electroforming Raw materials: Cold draw high quality mild steel Product type: one pointed, one flat...

Martes 17 marzo 2020

Cantidad : 50000/mont - Precio : 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...

Lunes 16 marzo 2020

1.Syringe filter HAWACH syringe filter features high cleanliness, easy operation, and high precision, with various specifications. Filter housing material uses sanitary polypropylene material. The precise design guarantees smooth filtering rationalized internal space, and very low residual rate...

Domingo 15 marzo 2020

Cantidad : 200MT/mont - Precio : 40 USD/Kilogram

Clasification: Organic Acid Refractive index: 1 .508 Cas NO.: 56-86-0 Flash Point: 155.7 °C Molecular Formula: C5H9NO4 Purity: 99.5% . Melting Point: 205C Appearance: White cryst. powder Boiling Point: 333.8 °C at 760 mmHg usage: industrial .food and medical grade Stability: . Stable...

Jueves 12 marzo 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...

Jueves 12 marzo 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...

Miércoles 11 marzo 2020

Column chromatography is found important in the labs due to its factors of easy packing procedure, low pressure of operation and low costs as well. Depend on the way that the solvent flows down the column, we can find two different kinds of column chromatography: one is gravity column...

Martes 10 marzo 2020

1.Mixed-mode cation exchange r: A mixed adsorbent having strong cation exchange and reverse retention, which is highly selective for alkaline analytes, stable in organic solvents. 2.Weak cation exchanger: Weak cation exchange and reverse retention complex mechanism, which is used...

Lunes 09 marzo 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...

Jueves 05 marzo 2020

Using agriculture quadcopter for agriculture is a hot topic these days, and for good reason. These unmanned aerial vehicles (UAVs), as they are sometimes called, are rapidly becoming a core tool in a farmer's precision equipment mix. Today's farmers have to deal with increasingly...

Miércoles 04 marzo 2020

Cantidad : 2 million - Precio : 0.1-6

As one of stainless steel stair nosing suppliers, Xiongchang range of tactile stair nosing is extremely versatile, Non-slip profiles for stairs finished in ceramic tile, porcelain tile, wood and other materials, designed to protect edges and the nosing between treads and risers. Special...