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Friday 20 September 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 20 September 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...

Friday 20 September 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...)

Friday 20 September 2019

Precio : 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...

Thursday 19 September 2019

3 principaux Avantages: 1/fabricant de Kit de nettoyage des dents 2/enlever les couleurs des dents avec de l'eau seulement, pas de peroxyde 3/enlever le foncé/cafés/thé/taches deen quelques minutes Principales caractéristiques et avantage,Comparaison avec d'autres produits de nettoyage...

Thursday 19 September 2019

nous sommes une grande société spécialisé dans l'exportation de métaux ( Déchets - récupération, traitement : Métaux ferreux et non ferreux- récupération, traitement) Nos clients se trouvent partout dans le monde, ( Asie, les Pays du Golf, l'Europe, Royaume-Uni... etc) nous avons...

Thursday 19 September 2019

Duplex 2205 pipe and Super duplex pipe are our strength product. Duplex steel is an austenite-ferrite dual phase stainless steel, it is developed for applications that demand high strength and corrosion resistance. Duplex stainless steel pipe is a cost effective solution for many...

Thursday 19 September 2019

Description of Two Motor Two Legs Electric Height Adjustable Standing Desk： Two Motors Two Legged Electric Height Adjustable Standing Desk Supported by YND-03 environmental control box, raisable computer desk can be easily moved to the desired height by pressing a button on the controller...

Thursday 19 September 2019

Description of Motorized TV Lift： We spent more than two years studying the TV lift system and then decided on our current model of the extendable lift made in CHINA. It is whispered quietly, smooth, durable and sturdy. It offers a 5-year full replacement warranty. Each elevator is...

Thursday 19 September 2019

Cantidad : 1 - Precio : Product: 1-100 yuan

Frame Moulding Features Mainly for pressure molding, the cavity pressure should be considered as small as possible when designing the parting surface. The exhaust should be smooth, the position of the discharge, the shape, and the flow of the material should be fully considered,...

Thursday 19 September 2019

Cantidad : 1 - Precio : Product: 1-100 yuan

Auto Parts Description Parts made from sheet molding compound (SMC) are typically 25-35% lighter than steel parts and aluminum products of the same strength. The stroke is increased and the fuel consumption is greatly reduced. Auto Parts And Accessories Featurs • Stable shape: SMC's...

Thursday 19 September 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Thursday 19 September 2019

Basically, the pipette is an instrument for a trace amount of liquid transfer, while the bottle-top dispenser needs installing at the mouth of a solvent bottle to move larger liquid amounts. Categories In terms of automatization, the pipette can be divided into mechanical and electronic...

Thursday 19 September 2019

Good usage habit can help the experimenters to prolong the service life of the vacuum filtration instruments. The experimenters should pay attention to the following items to keep the instruments in good conditions. 1. Please check that if the voltage marked by the nameplate on the...

Thursday 19 September 2019

The extraction thimble is mainly applied in the lab experiment involved with Soxhlet Extraction to ensure complete extraction. There are three types of extraction thimbles available – cellulose extraction thimble, glass fiber extraction thimble, and quartz fiber extraction thimble...

Thursday 19 September 2019

Hawach scientific always focus on providing high-quality laboratory instruments, consumables, and services for users in the field of life medicine and chromatography. We adhere to the customer as the center, rapid response to customer needs, continue to create long-term value for...

Thursday 19 September 2019

The filter paper used in the analytical laboratory performs a strong absorption effect for liquids, which can separate the solution from the solid. The filter paper produced domestically could be divided into three types, including qualitative filter paper, and quantitative filter paper...

Thursday 19 September 2019

It is a liquid chromatography using a chemically bonded phase as a stationary phase, which is formed by chemically reacting an organic molecule to a surface of a carrier (silica gel) by a covalent bond to form a uniform, firm monolayer thin layer. The separation mechanism is both...

Wednesday 18 September 2019

304 Grade One of the most versatile and widely used stainless steels on the market, 304 Stainless Steel is the most used stainless steel alloy of this sort. Grade 304 is essentially an austenitic chromium alloy that is also known as "18/8" stainless as the steel make-up is 18% chromium...

Wednesday 18 September 2019

Performance comparison of Pu sandwich board ,rock wool and glass wool composite board Due to the improvement of fire protection requirements for buildings, the market situation of rock wool composite board and glass wool composite board with better flame retardant grade is better in recent years...

Wednesday 18 September 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 18 September 2019

Selection of scavengers The conventional QuEChERS method only uses PSA which is too simple single that can no longer meet the complex matrix samples examination experiments. GCB (graphitized carbon black) can effectively adsorb pigments, non-polar interferences such as sterol due...

Wednesday 18 September 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...

Wednesday 18 September 2019

In chromatographic experimental analysis, a device that can quantitatively feed a sample bottle into a chromatographic column is called a sample vial. Sample vials are divided into manual and automatic sample vials. The automatic sample vial is an intelligent and automatic sampling...

Wednesday 18 September 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,...

Wednesday 18 September 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...

Wednesday 18 September 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...

Wednesday 18 September 2019

Hawach SPE Cartridges are made of medical grade PP and forming in one time. Frits are made of UHMW-PE. There is a variety of models to choose, such as Normal Phase Cartridge, Reversed Phase Cartridge, Ion Exchanges Cartridge, Mixed Mode Cartridges and so on. Here, We would like to...

Tuesday 17 September 2019

Cantidad : 1pcs - Precio : 10-100usd

What is 2216 led strip ? Cuttable, shortest length is 12.5mm One bin for production; uniform light High brightness and high density Unique and strong PCB design Features of 2216 strip light 1. 2216 assembled LEDs 2. CRI90 3. Cuttable, shortest length is 12.5mm 4. One bin for production...

Tuesday 17 September 2019

Cantidad : 1pcs - Precio : 10-100usd

Waterproof design, can be water immersed for short time, ingress protection up to IP65.3-state brightness control, max.power is 3W; Charge function, and can charge the mobile phone, IPAD or other USB electronic products; Intelligent charging identification function, and can automatically...