PREPARATION - 1250 ads

Friday, September 20, 2019

Quantity : 1 - Price : 100,00 €

Cheapest Factory 4 inch octa-core Android rugged DMR phone IP68 rugged Digital walkie-talkie phone with NFC DMR Rugged phone 1.CPU Mediatek MT6753 Octa-core 1.5GHz; Operation System Android 5.1, 3.TouchScreen & Display 4.0 inch Capacitive Multi-touch screen, IPS 480*800 Pixels...

Friday, September 20, 2019

Quantity : 1 - Price : 0,10 €

Cheapest Factory Electronic Price Tag 4.2 inches Smart Electronic Display Wireless ESL for Supermarket or Store 1. Screen size 4.2 inches; 2. Communication band 2.4Ghz; 3. Screen type EPD dot matrix electronic paper, black and white,black and white and red,black and white and yellow; 4...

Friday, September 20, 2019

Price : 1-100usd

A surgical torque wrench or restorative torque wrench is a torque wrench used to exactly apply a particular torque to a fastener bolt for fixation of an abutment, dentures or prostetics on a dental implant. This ratchet is designed with a everyday strength. This tool is for dental...

Friday, September 20, 2019

Hawach Scientific company specializes in the production of PES filter membrane, stable quality, products exported to Europe, North America, and other countries. We have more than 16 years of experience in the filtration industry. Pore size : 0.1um /0.22um/0.45um/0.65um/0.8um/1.2um Diamter ...

Friday, September 20, 2019

Price : 30-210 USD

PCBSKY is a national enterprise focusing on PCB and PCBA manufacturing for 8 years. The company has a strong engineering team and a professional electronic component procurement team to serve many domestic and foreign automotive electronics, medical electronics, power communication...

Wednesday, September 18, 2019

It is well known that a large number of high-tech industries are inseparable from dust-free purification workshops, such as CCL circuit substrate copper clad laminates, PCB printed circuit boards, photoelectric LCD panels and LEDs, power and 3C lithium batteries, and some pharmaceutical...

Wednesday, September 11, 2019

Quantity : 1 - Price : 600~3000RMB

Overview of loud speaking weatherproof telephone PT-WFSP1 The loud speaking weatherproof telephone is a kind of loud speaking telephone. The loud speaking weatherproof telephone are fully contained with waterproof, vandal resistant housing provides complete protection against the...

Wednesday, September 11, 2019

Flash chromatography is one of the methods in the preparation of liquid chromatography and is usually used for the separation of organic compounds. Flash chromatography has the advantages of ease of operation, low cost, and fast analysis. There are few other techniques for purifying...

Monday, September 09, 2019

High pressure fryer is essential in a fast food restaurant, especially when its menu includes fried chicken-a whole chicken. Pressure frying is similar to open frying, except that after food is placed into the hot oil, a lid is lowered over the fry pot and sealed to create a high...

Tuesday, September 03, 2019

Hawch disposable syringe filter is a fast and reliable filtering tool commonly used in laboratories. With the beautiful appearance, light weight and high cleanliness, it is quite available in basically any kind of filtration experiments, including food analysis, bio-fuel analysis...

Saturday, August 31, 2019

Quantity : 1 - Price : 2000usd

Air swept coal mill is used for drying and grinding pulverized coal. It mainly consists of feeding device, main bearing, rotary part, transmission device, ballast device, high-pressure starting device and lubrication system. Raw materials are loaded into the mill by feeding equipment...

Thursday, August 22, 2019

QuEChERS is an extraction method for pesticides in fruits and vegetables. It is also a cleanup method we use to remove sugars, lipids, organic acids, proteins, pigments, and excess water. After the publication of the original QuEChERS method in 2003, QuEChERS has been practiced all...

Friday, August 16, 2019

The membrane filters of different materials have different characteristics. Here are as follows: - Nylon (NY) Material - Features: hydrophilic, resistant to some organic materials, not strong acid, protein binding capacity is high, so it is not suitable for protein recovery. Application...

Thursday, August 15, 2019

Review the article that I had written for product introductions, it seems that the content which making fun of products basically does not have, a person with the label of “warm person heart” is wearing very tired. The things about making fun are so cool to be said completely by naked...

Thursday, August 15, 2019

Background Technique The wood pulp with a characteristic of single fiber, has been serving as the only raw material of the quantitative filter paper. To improve its filtering accuracy, the pore size has to be reduced, which can increase the filtering resistance and shorten the practical...

Thursday, August 15, 2019

The similarities FLASH and SPE are all column chromatography separation technology. FLASH is a fast separation mode for preparative chromatography, using optimized pre-packed low and medium pressure columns for chromatographic separation. The separation mechanism, stationary phase...

Monday, August 12, 2019

The filter capsules are ready-to-use units for the filtration of media containing particles. They are also used for removing biologicals in pharmaceutical and biotechnology applications. Other applications are like easy sample preparation, separation of cell debris, filtration of...

Tuesday, August 06, 2019

HPLC is more suitable for the separation and analysis of substances with the high boiling point, poor thermal stability, physiological activity, and relatively large molecular weight. Hawach HPLC columns are widely used in the analysis of nucleic acid, peptide, lactones, polycyclic...

Wednesday, July 31, 2019

Bag filter housings are multi-purpose filter equipment with the features of novel structure, small size, simple and flexible operation, energy saving, high efficiency, airtight work and strong adaptability. Otherwise, they are very convenient to replace the filter bags and there is...

Monday, July 15, 2019

Syringe filters are widely used in laboratories. The users do not need to change membranes and clean filters, which can save complex and time-consuming preparations. It is very convenient and easy to operate. They are mainly used in sample pre-filtration, clarification, degerming of particles...

Friday, July 12, 2019

Today, Hawach want to talk about the pre-treatment process for pesticide residue detection from the perspective of food safety – QuEChERS, and also tell you how to pre-treat pesticide residue food. Introduction The present analytical methods and determining techniques, pre-treatment...

Thursday, July 11, 2019

The polyethersulfone (PES) syringe filter with the feature of low protein binding and has excellent flow rates is mainly used for sterilizing or clarify viscous proteinaceous solutions especially in the life-science applications biological and pharmaceutical labs, this is because...

Thursday, July 11, 2019

SPE column or SPE cartridges are based on liquid-solid phase chromatography theory, it is a kind of extraction, separation, concentrated sample preparation unit. Mainly used in sample pretreatment of various foods, agricultural and livestock products, environmental samples and target...

Wednesday, July 10, 2019

According to the research from the United States Department of Agriculture, the QuEChERS meth od which extracts pesticide from foods is fast, convenient, cheap, effective and secure. When it compares to the traditional SPE method, QuEChERS not only uses less solvent but also adopts...

Tuesday, July 09, 2019

The reversed-phase HPLC columns may be repeatedly injected into a sample containing a strongly retained material, and in particular, the sorbent components such as large molecular weight or hydrophobic biological flow proteins and strong alkaline substances may be adsorbed on the silica medium...

Monday, July 08, 2019

HPLC is the separation of sample components between the column packing and the mobile phase for mass exchange. Therefore, the mobile phase is required to have the following characteristics: a. the flow relative to the sample has a certain solubility, to ensure that the sample components...

Thursday, July 04, 2019

As an acronym for Quick, Easy, Cheap, Effective, Rugged and Safe, the method of QuEChERS achieves as a variety of sample preparation and clean-up techniques for the analysis of multiple pesticide residues in the field of agriculture. Originally designed for the analysis of fruits and vegetables...

Wednesday, July 03, 2019

Cellulose acetate membrane filters are a kind of Millipore filtration and play an important role in membrane separation technology. Mainly used for filtration of the aqueous solution. Features and functions Cellulose acetate membrane filters with uniform pore size distribution, fast...

Monday, July 01, 2019

This is a useful weapon for experimental analysts to filter micro-samples quickly and effectively, such as sample pre-filtration, clarification, and filtration of particles, liquids, and gases sterilizing, etc. The structure of Hawach syringe filter The structure of Hawach syringe...

Friday, June 21, 2019

We can always hear such a conversation between those researchers. “Hey, buddy, what is your purity degree of the end products today?” “Damn it. Such a low degree that I cannot even use for the next step. Any better methods for clarifying raw materials?” Then there comes Hawach syringe filter...