PESTICIDE&CHEMICAL - 9223 Annonces
Mardi 30 juillet 2019
Pipettes are an indispensable routine in the laboratory. They are used by every researcher, especially in the biological, pharmaceutical, chemical and other industries. The durability and accuracy of the corresponding pipettes are of the utmost concern. Some customers often mention...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Mardi 30 juillet 2019
Increasing the rate of filtration through the force on the solution over gravity, vacuum filtration is an operation of evacuating the air below the filter paper to maintain the pressure differential across the filter medium. It is widely applied in the laboratory for various tests...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Mardi 30 juillet 2019
Since its birth, the QuEChERS method has been widely used in pesticide residue analysis due to its unique advantages and characteristics of fast, simple and cheap. Lehotay et al. established a method, which uses the QuEChERS method to treat samples and analyze 229 kinds of pesticides...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Mardi 30 juillet 2019
Quantitative filter paper or qualitative filter paper, it is a question. While at the very beginning, we can distinguish from the literal meaning between quantitative and qualitative. Quantitative refers to fixed quantity, more about physical properties. Qualitative refers to fixed quality...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lundi 15 juillet 2019
The sample vials were cleaned according to different contamination levels. Generally, the cleaning method is selected according to the degree of pollution. If the cost is adequate, it is best to use a new one every time. Solution method of cleaning sample vials: 1. Rinse with running...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lundi 15 juillet 2019
String wound filter cartridges adopt the most advanced design of inner and outer density, which can increase the impurity and prolong the service life by 20 ~ 40% compared with the traditional life. The surface of string wound filter cartridges is treated with anti-wool treatment...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Samedi 13 juillet 2019
Use high temperature resistant low-temperature magnetic drive pump or a leak-free high and low-temperature shield-driven pump, reduce the risk of system leakage. At the same time, the screw water chiller system has the advantages of low noise and big traffic flow. Typical application...
Wuxi Guanya Refrigeration technology co., ltd
- 214115 - Wuxi
- 0510 82303782
Vendredi 12 juillet 2019
Hawach ensures the accuracy of each sample vial and cap specification, from the initial design to the final photoelectric scanning inspection process, our strict tolerance control throughout the entire manufacturing process. Integrity, cleanliness, and uniformity of a sample vial...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Vendredi 12 juillet 2019
Characteristics of QuEChERS QuEChERS is a pretreatment method for pesticide residue detection. This paper refers to the products produced by our company. Its name comes from the acronyms of the words “Quick, Easy, Cheap, Effective, Rugged, Safe”, which are also the characteristics...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Vendredi 12 juillet 2019
Bottle-top dispensers use advanced inert materials (silicate glass, ETFE, PFA, FEP, PTFE and platinum-iridium, and PP) to ensure the purity of the reagent from first to last dispensers. In addition, it can also be used for all kinds of range of liquid separation and can also be used...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Vendredi 12 juillet 2019
Note on the filter paper box that when using the quantitative and qualitative analysis filter paper to filter the precipitate: 1. Generally uses natural filtration, using the filter paper body and the ability to retain solid particles to separate the liquid and solid; 2. Because the...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Vendredi 12 juillet 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jeudi 11 juillet 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jeudi 11 juillet 2019
Filter cartridges are purification equipment, with long service life, strong pollution capacity and low pressure and other characteristics, which are suitable for pharmaceutical, food, petroleum, electronic, chemical, metallurgical and textile industries. Features of filter cartridges 1...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Mercredi 10 juillet 2019
Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
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
Mercredi 10 juillet 2019
A bottle-top dispenser is a device installed at the mouth of a solvent bottle to take a large amount of solution and has been constantly updated and improved to meet the growing operational requirements of the laboratory for more than ten years. There are two kinds of bottle-top dispensers...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Mardi 09 juillet 2019
Application Field: 1.Uhmw Pe 1000 Sheet in Flame retardant for underground mine operation and other place where prone to spontaneous combustion . 2.Engineering Uhmw Pe 1000 Sheet To replace steel ,own to high wear resistant character ,chemical and corrosion resistance . 3.Uhmw Pe...
Hebei Peliou New Materials Technology Co., Ltd.
- 053000 - Duqiao Town
- 86 18630195563
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
Mardi 09 juillet 2019
Melt-blown filter cartridges are shaped filter cartridges, which made of non-toxic and odorless polypropylene particles after heating, melting, spinning, traction. Melt-blown filter cartridges are not only used in water purification, but also have excellent chemical compatibility...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
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
Lundi 08 juillet 2019
Single-Channel Manual Pipette Features Tip the pop-up button for one-handed operation. The handle hook can be easily attached to the palm of your hand. Clear readings. The tip retracting rod and nozzle can be removed for easy cleaning and maintenance. Rotatable dispensing head makes...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lundi 08 juillet 2019
QuEChERS is a pretreatment that has the characteristics of Quick、Easy、Cheap、Effective、Rugged and Safe, which is the reason why it is becoming more and more popular in the new testing methods. It was developed by Professor Anastassiades in 2003, which was used in agricultural testing at first...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
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
Lundi 08 juillet 2019
First, the continuous polypropylene long fibers produced by the melt-blown process are wound with polypropylene as raw material. Second, high filtration accuracy, large flow rate, uniform structure, large contamination capacity, and long service life. Third, good chemical compatibility...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lundi 08 juillet 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Vendredi 05 juillet 2019
ICS TRIPLEX T8461 T: 86-13599507613 @ sales@cambia.cn Manager: Trixie OUR ADVANTAGES: v SCHNEIDER 140CPU43412U,140CPU65150,140CPU65160,140 CPU65160,140CPU67060,140CPU67160,140CPU6 7160S.CRA,140 CPS v Allen Bradley 1769-L36ERM,1769-L33ER,1769-L24ER-QBFC1B ,1769-L27ERM-QBFC1B,1769-L30ER...
Cambia Automation Limited
- 361000 - xiamen
- 8613599507613
Vendredi 05 juillet 2019
The cleanroom pass through box is primarily for the transfer of small items between the clean area and clean area, the non-clean area and clean area, so as to reduce the number of clean room door and the maximum reduction of the denuded zone pollution. Pass box are widely used in...
Suzhou Wonzone Construction CO.,LTD
- 215300 - kunshan
- 0512 88888888
Vendredi 05 juillet 2019
Overview Rock Wool sandwich panel is usually used for wall and ceilings, which has certain requirements for fire resistance. In addition, it has very good thermal insulation properties. Thus, most of customers like the rock wool sandwich panels. Rockwool sandwich panels are commonly...
Suzhou Wonzone Construction CO.,LTD
- 215300 - kunshan
- 0512 88888888
Jeudi 04 juillet 2019
Prix : US $1 - 3,000 / Set
A pest control company contaminated the water supply when it used the insecticide to kill termites. The company USES water from garden to mix chlordane and heptachlor in tanker trucks. The end of the hose is immersed in the chemicals, while water in the area are draining. When the...
ZhengFeng Valve Group
- 200080 - shanghai
- 86 21 39597277