BASIC - 4057 Annonces

Chine (Rép. pop) 200080 Biens d'équipement
Bronze Flow Balancing Valve

Jeudi 08 août 2019

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 1. Good sealing, no , easy...

ZhengFeng Valve Group

  • 200080 - shanghai
  • 86 21 39597277
Chine (Rép. pop) 200080 Biens d'équipement
Backflow Preventers(Low Pressure)

Jeudi 08 août 2019

Basic information This valve can strictly prevent the occurrence of backflow pollution, is a safe device to ensure the hygiene of drinking water. Features 1. More superior streamline design, energy - saving effect; 2. Discharge control device and outlet are designed without obstacles...

ZhengFeng Valve Group

  • 200080 - shanghai
  • 86 21 39597277
Chine (Rép. pop) 200080 Biens d'équipement
Float Control Valve

Jeudi 08 août 2019

Basic Information This float controlled water valve the level of the water in the water tower or sink. Features 1. Stable and reliable work, large flow; 2. Disc fast open and slowly closed, no water hammer impact; 3. Good sealing effect and long service life; 4. Install at any location...

ZhengFeng Valve Group

  • 200080 - shanghai
  • 86 21 39597277
Chine (Rép. pop) 200080 Biens d'équipement
Flapper Check Valve

Jeudi 08 août 2019

Basic information This double flapper check valve can be installed at the water outlet of the pump or the water outlet pipe to prevent backflow of the medium. Features 1. Switch can be up to 100,000 times; 2. Full flow area, low flow resistance; 3. Less likely to accumulate debris; 4...

ZhengFeng Valve Group

  • 200080 - shanghai
  • 86 21 39597277
Chine (Rép. pop) 710077 Divers
The Basic Knowledge of Syringe Filters

Jeudi 08 août 2019

As a single-use filter cartridge, Syringe filters are utilized to remove particles from the sample prior to high-performance liquid chromatography (HPLC). The scientists like to attach them to the end of the syringes for general filtration, as syringe filters are affordable and convenient...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
Performance and Maintenance of HPLC Columns

Jeudi 08 août 2019

Chromatography is a separation and analysis method and the separation is the core. Therefore, HPLC columns are the heart of the chromatographic system. The requirements for the column are high efficiency, good selectivity and fast analysis speed. Generally, the column length of about...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
The Basic Knowledge About Vacuum Filtration

Mercredi 07 août 2019

The principle of vacuum filtration is forming the negative pressure to drive the filtration at the outlet of the filtrate. This kind of filtration according to the forms of operation is divided into two types: batch operation and continuous operation. The vacuum filtration with batch...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
Filter Papers Filtration Principle

Mercredi 07 août 2019

Each analyst needs filter paper, which is a product with high consumption in the laboratory. Filter paper is commonly used in analytical laboratories as a filter medium to separate the solution from the solid. Basic introduction The paper is loose and has strong absorption performance to liquid...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 63000 Bâtiment
Refractory Products

Mardi 23 juillet 2019

Refractory products fall into two categories: brick or fired shapes, and specialties or monolithic refractories. Refractory linings are made from these brick and shapes, or from specialties such as plastics, castables, gunning mixes or ramming mixes, or from a combination of both...

OREWORLD TRADE(TANGSHAN) CO., LTD.

  • 63000 - tangshan
  • 03155392228
Chine (Rép. pop) 710077 Divers
Determination of Coliforms in Water by Filter Membrane Method

Jeudi 11 juillet 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
QuEChERS Methods

Mercredi 10 juillet 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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
How To Choose Syringe Filters In The Lab?

Mardi 09 juillet 2019

Consisting of a filter medium and housing or holder that constrains and supports the syringe filter media in the sample's path, filters are good tools when you need removing particulates from samples in the lab. We have three basic types of laboratory filters. Membrane filters size...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
Determination of Coliforms in Water by Filter Membrane Method

Mardi 09 juillet 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
Polymeric MCX SPE Cartridges

Mardi 09 juillet 2019

Polymeric MCX SPE cartridges are used to extract strongly alkaline compounds. MCX is a mixed strong cation exchange adsorbent obtained by bonding sulfonic acid groups on highly crosslinked PS/DVB surface. It has both reverse phase and cationic exchange retentive properties and good...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
Overview of SPE Technique

Lundi 08 juillet 2019

SPE Technique Introduction SPE(Solid-phase Extraction), is an increasingly popularized technology of sample pretreatment, which is established on the basis of traditional LLE(Liquid-liquid Extraction). Combined with the substance interaction mechanism that like dissolves like, and...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
Hawach 7 Steps Help You Choose the Right Filter Paper

Vendredi 05 juillet 2019

1. Product No., for example BIO-1. 2. Pore size and flow rate, The bigger pore size, the quicker flow rate. Fast: 60-100S/100ML @ 80-120μm Medium: 100-160 S/100ML@30-50μm Slow:160-200 S/100ML @ 1-3 μm But filter paper is different from filter membrane, the pore size cannot be a certain value...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 200080 Biens d'équipement
Double Orifice Air Release Valve

Jeudi 04 juillet 2019

Prix : US $1 - 3,000 / Set

Basic information The double orifice air release valve is a pipeline will be matched equipment, apply to the temperature does not exceed 100 water, hot water pipe on the pipe from the air. Features 1. Body is provided with a shock-proof inner tube to protect the float 2. Lower...

ZhengFeng Valve Group

  • 200080 - shanghai
  • 86 21 39597277
Chine (Rép. pop) 710077 Divers
Polymeric HLB SPE Cartridges

Jeudi 04 juillet 2019

The filler of polymeric HLB SPE cartridges produced by a special copolymerization technology contains a certain proportion of the hydrophilic group and the hydrophobic group. Hydrophobic divinyl benzene structures retain nonpolar compounds and hydrophilic n-vinyl pyrrolidone structures...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
Microporous Membrane Filter

Jeudi 04 juillet 2019

A microporous membrane filter is a membrane separation technology, the shape of the cylindrical structure, made of 304 or 316L stainless steel, which can filter 0.1μm or more particles and bacteria in liquid and gas. Features A microporous membrane filter has the advantages of high...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 63000 Bâtiment
Magnesia Bricks

Mercredi 03 juillet 2019

Magnesia bricks description Magnesia bricks are a kind of alkalescency refractory bricks that made from the sintered magnesium with its content of 87%-97% and that are combined with silicate. Since its combination composition is mainly CMS-M2S system, its Load softening temperature...

OREWORLD TRADE(TANGSHAN) CO., LTD.

  • 63000 - tangshan
  • 03155392228
Chine (Rép. pop) 710077 Divers
Hawach 7 Steps Help You Choose the Right Filter Paper

Mardi 02 juillet 2019

1. Product No., for example BIO-1. 2. Pore size and flow rate, The bigger pore size, the quicker flow rate. Fast: 60-100S/100ML @ 80-120μm Medium: 100-160 S/100ML@30-50μm Slow:160-200 S/100ML @ 1-3 μm But filter paper is different from filter membrane, the pore size cannot be a certain value...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 213000 Biens d'équipement
Low VOC Silicone Modified Polyurethane Conformal Coating - L325

Lundi 01 juillet 2019

- Low VOC Silicone Modified Polyurethane Conformal Coating - L325 - - FEATURES OF GOLOHO-L325 - ·Convenient to use: organic silicon modified polyurethane type, good waterproof, easy to repair. ·Neutral, no corrosion for many metals, anti-yellowing. Outstanding bond strength for...

  • 213000 - changzhou
  • 0519 85108032
Chine (Rép. pop) 510450 Décoration / Objets
Modern White PVC Hinged Door P601

Samedi 29 juin 2019

MORE DETAILS Stylish and light. You can improve your white pvc interior doors look with a door design that suits you and your home. If your home doesn't have much space and is low on natural light, white door panels can help create a brighter and more spacious environment. OPPEIN...

OPPEIN HOME GROUP INC.

  • 510450 - Guangzhou
  • 86 20 36730513
Chine (Rép. pop) 710077 Divers
The Brief Introduction to Flash Column

Vendredi 21 juin 2019

Flash chromatographic column, also called rapid chromatographic column(rapid column crossing, which means gradient elution, decompression or pressurization of the column), medium pressure chromatographic column(for example, rapid elution is achieved by pressurizing with nitrogen and...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
How does SPE Cartridge Work?

Vendredi 21 juin 2019

Normally SPE cartridge has two basic adsorption modes: target compound adsorption mode, impurity adsorption mode; 5 operation modes: gravity operation, manual positive pressure, centrifuge, negative pressure and positive pressure mode. Now let's review the whole process step by step...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
Introduction to Vacuum Filtration

Jeudi 20 juin 2019

Basic Knowledge of Vacuum Filtration Based on the principle that under the same pressure (vacuum degree), the vaporization temperature of the water is lower than that of oil, scientists make practical equipment which is called vacuum filter. In fact, vacuum filtration is the most...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 710077 Divers
The Basic Knowledge of Selecting the Most Suitable Flash Column

Mercredi 19 juin 2019

The most important process of the whole purification is selecting the most suitable Flash column. And now we will talk about the key content of the column: stationary phase. Stationary phase, commonly known as filler, is the most central part of chromatography. When we choose the...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Chine (Rép. pop) 523925 Biens d'équipement
Conveying

Samedi 15 juin 2019

Conveyors are used for product conveying. There are different types of the conveyor, 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 the efficiency...

DONGGUAN YIHEDA AUTOMATION CO.,LTD.

  • 523925 - dongguan
  • 769 82886777 676
Chine (Rép. pop) 322000 Pro / B2B
How To Buy Goods In Yiwu Market

Mardi 11 juin 2019

Generally speaking, many importers buy products from Chinese fairs, Alibaba, or market in Guangzhou, but you can only attend the fairs in specific times, and there are so many suppliers on Alibaba, some do not have enough experience for the business. Also, the market in Guangzhou...

YIWU TOP EASE IMP.&EXP.CO.,LTD

  • 322000 - Yiwu
  • 85096017
Chine (Rép. pop) 710077 Divers
Filter Membranes Technology

Mardi 11 juin 2019

Overview of The Technology Under the help of various permeable filter membranes, membrane technology provides engineering strategies to transport selected substances between two different portions. To speak in a general way, filter membranes technology is utilized in processing separating...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
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