POLLUTION - 2003 Annonces

Jeudi 15 août 2019

In the detection of air pollution, taking samples with glass fiber extraction thimble is a common method. And here we will focus on one reason having an influence on weighing the extraction thimbles, which is the air humidity. As we all know, the environment when analyzing is limited...

Samedi 10 août 2019

Quantité : Proofing b - Prix : 200-1500CNY

Hard Gold PCB, immersion gold pcb, is to immerse the board in the plating tank and apply current to form a nickel-gold coating on the copper foil surface of the board. The electro-nickel gold is characterized by high hardness, wear resistance and oxidation resistance. Widely used in applications...

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...

Mardi 06 août 2019

Quantité : 15/ week - Prix : $150-$450/m

Introduction of Artificial Bamboo Tress Bamboo is a common plant in our daily life, and as a professional manufacturer with over 20 years of experience, we Beijing Palm International Group Ltd. thus provide you with artificial bamboo trees with high quality and resistance. Our artificial...

Mardi 06 août 2019

Quantité : 15/ week - Prix : $150-$450/m

Beijing Palm International Group Ltd. has over 20 years of experience and are now a professional manufacturer in the good artificial plants and planting industry. We provide high quality products, and flexibility to customize artificial tree solutions to customers all at an affordable price...

Mardi 06 août 2019

Quantité : 100000 squ - Prix : 12.5 USD

Description du produit: La maille de la balustrade du câble de virole en acier inoxydable est un produit polyvalent impressionnant, son utilisation est multifonctionnelle et durable. Fabriqué à partir de câbles en acier inoxydable, ce treillis de traction peut être lié à une structure...

Vendredi 02 août 2019

Usually, the sample contains something that is not of interest to the analyst. Salt, lipids, lipid-containing substances, humic acid, hydrophobic proteins, and other biological substances are some substances that may interact with the HPLC column in use. These substances have less...

Jeudi 01 août 2019

The flat sheet ceramic membrane is a new type of high temperature plate porous ceramic membrane, which is prepared by high temperature sintering process using inorganic materials such as alumina. Compared with the organic film, ceramic flat membrane has the advantages of good chemical stability...

Jeudi 01 août 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...

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...

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...

Lundi 15 juillet 2019

Laboratory workers use a membrane to filter two phases. Actually, the membrane is a kind of media. According to different aperture sizes, filter membranes can be divided into the microporous membrane, ultrafiltration membrane, nanofiltration membrane a nd reverse osmosis membranes...

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...

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...

Mardi 09 juillet 2019

The cleaning of sample vial is very important. Usually, according to the principle of glass instrument washing and the degree of pollution to choose cleaning methods, there is no fixed mode. The specific methods are as follows: Method one: 1. Dry the sample in the sample vial. 2...

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...

Mardi 09 juillet 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...

Lundi 08 juillet 2019

1.Classification of extraction thimbles The extraction thimble, as its name implies, is a cylindrical element used for extracting. According to the material, it can be divided into three categories: cellulose exaction thimbles, glass fiber exaction thimbles, and quartz fiber exaction thimbles...

Lundi 08 juillet 2019

What is the sample vial? Sample vials, also named as sampling bottles, purification bottles, aseptic bottles, clean bottles, filter bottles, etc., are essential for detecting pollution. According to International Standard, it is specially qualified for cleaning appliances so that...

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...

Vendredi 05 juillet 2019

Hawach scientific is a professional vacuum pump manufacturers, product quality through a number of international standards, and exported to more than 120 countries all over the world. More detail information and quotation about the products contact with info@hawach.com. Diaphragm...

Vendredi 05 juillet 2019

We recommend materials and applications of two kinds of extraction thimbles in Hawach. The material of extraction thimbles Due to different materials of extraction thimbles, two types of extraction thimbles are sold in the Chinese market. Cellulose extraction thimbles: high-grade...

Mardi 02 juillet 2019

Fitting most commercially available Soxhlet extractors, we offer a variety of selection of high-quality extraction. To achieve an efficient and reliable analysis in the lab, the extraction thimbles are used to extract certain components out of the sample of solid material. The thimbles...

Lundi 01 juillet 2019

Sample vial, also known as sampling bottle, purification bottle, sterile bottle, clean bottle, filter bottles, etc., is essential for pollution detection. It is special equipment which is qualified for cleaning according to the international standard ISO3722 “Identification of Cleaning...

Lundi 24 juin 2019

When selecting the customer, it is recommended to first confirm the vacuum and pumping speed required for the experiment, or you can choose according to the application. The main uses of Standard Diaphragm Vacuum Pumps include the following: 1. Vacuum drying oven: It is suitable...

Vendredi 21 juin 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...

Mardi 18 juin 2019

1. To save water resources, it is possible to use the glycol-water mixture to carry out circulating refrigeration, strict circulation pipeline design, prevent circulating water pollution, and prolong the use time of circulating water; 2. Original imported compressor, overlapping supercooled...

Mardi 18 juin 2019

The primary feature of the vacuum filtration that it uses the classical oil-free pump with sand core filter bottle combination, which is suitable for most Laboratory filtration needs of universal filtering products. The characteristics of this product will be described in detail below...

Lundi 17 juin 2019

CSA expansive additive description: The CSA expansive additive is obtained by blending natural anhydrite with clinker powder which consists of calcium sulfoaluminate and CaO. This CSA expansive additive is always mixed with ordinary cement. When mixed in the proper proportion with...

Dimanche 16 juin 2019

Ceramic Nanofiltration membrane is relatively recent membrane filtration system, with the purpose of softening and removal of disinfection by-product precursors such as natural organic matter and synthetic organic matter. More ultrafiltration membrane system details here! CHARACTERISTICS...