SOLVENTS - 1859 Annonces

Jeudi 12 décembre 2019

QuEChERS is a streamlined technique that makes it easier and cheaper for analytical chemists to examine the pesticide residues in agricultural products. It is exploited by many professors of the American Ministry of Agriculture in 2003, especially Anastassiades. This technique shares...

Jeudi 12 décembre 2019

Vacuum filtration manufactured in Hawach Scientific has better experience in laboratory tests due to the elimination of chemical and mechanical pretreatment, and the ratios of filtration areas are extraordinarily improved. It can ensure an accurate and professional test work under...

Jeudi 12 décembre 2019

As a unique chromatography technique that pushes solvent through the column uses by compressed gas or a pump, flash column chromatography is highly appreciated as an advance technique because it makes flow rates of the solvent much faster than the gravity flow. Developed in the 1970's...

Jeudi 12 décembre 2019

Because the cotton fiber in the filter paper has a good affinity with water, it can absorb about 22 percent of the water, in the form of a hydrogen bond with cellulose water has 6 to 7 percent. In general, it is very difficult to remove. Compared with the affinity with water, the...

Mercredi 11 décembre 2019

The quality of a vacuum pump depends on its mechanical structure and the quality of the oil. It must be protected when using a vacuum pump. If the organic solvent with high volatility is distilled, the organic solvent will increase the vapor pressure by the oil absorption, thereby...

Mercredi 11 décembre 2019

The filter capsule is also called the submerged filter, it uses a folding membrane with a large filter surface area. It is suitable for the filtration of a large volume of solution. The shell of the filter capsule is made of polypropylene and does not contain any adhesives and other chemicals...

Mercredi 11 décembre 2019

Syringe filters are used in a wide range of laboratories to provide fast and efficient water and organic solution filtration solutions. It is made from a variety of membrane filters containing polypropylene housings, and special injection molding processes increase burst pressure...

Mercredi 11 décembre 2019

Flow Process of HPLC column First, the solvent in the storage bottle is pumped into the chromatographic system by pump and then output, and then introduced into the sampler after flow and pressure measurement. Second, object to be tested is injected by the sampler, passes through...

Mardi 10 décembre 2019

Nylon membrane filters are suitable for use with high PH samples; PES membranes filters are fit for filtration of compatible organic solvents and aqueous samples; PP membrane filters are widely used in analytical and research applications for the pharmaceutical, environmental, biotechnological...

Lundi 09 décembre 2019

SPE cartridge A solid-phase extraction device is a physical extraction process involving a liquid phase and a solid phase. In the solid-phase extraction process, the adsorption of the solid relative analyte is greater than that of the sample mother liquor. When the sample passes through...

Mercredi 20 novembre 2019

Quantité : 2000 tons

RTV-1 silicone is a condensed silicone rubber that is gradually cured from outside to inside by contacting with moisture in the air. RTV-1 silicone rubber are used in bonding, sealing, encapsulating photovoltaic module components including photovoltaic frame, junction box and micro-inverter...

Mercredi 06 novembre 2019

Quantité : 10000pcs - Prix : 0.1-100usd

ISUTAMI SW standard linear bearings, also known as SW standard linear ball bearings or SW standard linear bushing bearings. SW is the imperial series, mainly used in the markets of the UK and other British Commonwealth of Nations. The bushing and steel ball of SW standard linear bearing...

Jeudi 24 octobre 2019

The organic membrane is a material having a selective separation function, and when there is a driving force on both sides of the membrane (such as a pressure difference, a concentration difference, a potential difference, etc.), the raw material component selectively permeates the membrane...

Mercredi 23 octobre 2019

Introduction of Bettersizer Series Particle Size Analyzer Bettersizer Series particle size analyzers mainly include four models - Bettersizer S3 Plus laser particle size analyzer ( used for the particle size analysis and particle shape analysis), Bettersizer S3 laser used particle...

Mardi 22 octobre 2019

Prix : 5usd

Micronized Wax of Water-Base Features: Easy dispersion, High gloss and hardness, Good scratch resistance and dirt resistance Applications: Water-based inks and paints Micronized Solvent-Base Wax Features: Easy dispersion, Good abrasion resistance, Scratch resistance and smoothness Applications...

Dimanche 13 octobre 2019

Quantité : 30000 Unit - Prix : 5000-50000USD

A fire truck (also called fire water truck, fire water foam truck, firefighter, firefighting truck, fire apparatus, fire engine, or fire appliance), Which is a vehicle designed primarily for firefighting operations. In addition, many fire departments often employ their vehicles for...

Dimanche 13 octobre 2019

Solid phase extraction is a sample preparation method based on the chromatographic analysis. Solid phase extraction includes a solid phase (adsorbent with a certain functional group) and a liquid phase (sample and solvent). The liquid sample passes through a solid phase extraction...

Samedi 12 octobre 2019

Quantité : 1set - Prix : 300000usd

Conveyors are used for product conveying. There are different types of the conveyor belt automation , which can be used for conveying various kinds of products. Flexible conveyor is a device designed to transport raw materials, semi-finished products or products in order to improve...

Samedi 12 octobre 2019

Reduced.bore.DIN3202 Threaded.ends: DIN259/2999.JIS. 130202/1302203.Internal.entry. blow-out.proof.stem Material: .CF8M.CF8.CF3M.WCB Pressure.rating: .1000PSI.WOG Pressure.test: .API.598.Lever.handle Penglai Huande steel valve CO.,LTD is a famous global valve manufacturer who specialized...

Samedi 12 octobre 2019

Quantité : 2000 tons

RTV-1 silicone is a condensed silicone rubber that is gradually cured from outside to inside by contacting with moisture in the air. RTV-1 silicone rubber купить are used in bonding, sealing, encapsulating photovoltaic module components including photovoltaic frame, junction box and...

Samedi 12 octobre 2019

Quantité : 2000 tons

Conformal coating is a thin transparent polymeric coating applied to PCB's to provide protection from the end-use environment. Common types of conformal coatings include acrylics, urethanes, epoxies, silicones and polyparaxylylene. They are typically applied at 1-5 mil thickness....

Samedi 12 octobre 2019

Prix : 5USD

Overview Anti slip caution tape or Safety walk anti slip tape or Self adhesive anti slip floor tape is made by PVC film or PET film. The surface of PET or PVC is filled with aluminium oxide sands, slip-resistance materials. Its inner side is coated with pressure-sensitive solvent adhesive...

Samedi 12 octobre 2019

Prix : 5USD

Aluminum foil adhesive tape is made by Aluminum Foil, coated with Solvent or Hot Melt adhesive. It has a great performance on heat & light reflection to protect against high temperature & U.V. degradation. The foil serves as an excellent barrier against moisture, dust, flame...

Samedi 12 octobre 2019

Prix : 5USD

BOPP film is also known as Biaxial-Oriented Polypropylene film, which can be coated with a pressure-sensitive Acrylic adhesive, becoming BOPP Pressure Sensitive Acrylic Tape, PSA Tape, Self-stick Tape or Sticky Tape. Since it's sticky (tacky), so it can be activated and adhered with...

Samedi 12 octobre 2019

1.Usage HAWACH syringe filter is used with syringes to filter chemical turbid solution samples, most commonly used in chemical HPLC-MS/GC-MS analysis of liquid and air dedusting, sterilization filtration, biological sample preparation, tissue culture media, microbial media, buffer solutions, etc...

Samedi 12 octobre 2019

It is well known that each laboratory has a large number of samples to be tested by liquid or gas chromatography. Consequently, there are lots of sample vials that need to be cleaned during the test even though it's time-consuming. Since the cleanliness of the vials may affect the test results...

Jeudi 10 octobre 2019

Extraction thimble is an instrument for extraction and separation of organic compounds according to the principle of Soxhlet extraction. Extraction thimble provided by our company is made of high quality and purity materials, which is characterized by high mechanical strength and...

Mercredi 09 octobre 2019

Currently, syringe filter is designed for sterilizing and clarifying, and suitable for both medical and laboratory applications. Syringe filter offered by Hawach Scientific is manufactured in a controlled environment with an automated process, which ensures the quality and use value...

Mercredi 09 octobre 2019

Flash column chromatography is an easy and fast method to separate the complex mixtures. It can not only make the separation effect better but also shorten the time. How to put the sample into the flash column is of high importance in the preparation process of flash column chromatography...

Mercredi 09 octobre 2019

Hawach Scientific co., LTD. is a professional technology company integrating analytical chemical product development, manufacturing, sales, and service, Since its establishment, the company has maintained a high speed and steady pace of development, along with scientific and technological...