PRES - 5031 Annonces

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...

Mercredi 07 août 2019

Quantité : 1 - Prix : 10 000,00 €

Planta trituradora de roca semi-portátil / planta trituradora móvil en venta Par exemple, si vous cherchez un moyen de transport de poids lourd, un outil de poids léger, un outil de poids lourd et de couleurs, de couleurs vierges et de couleurs Nous avons des modèles de voiture parmi...

Mardi 06 août 2019

Sample Vials are an essential tool in the lab. These general purposes of glass vials are to provide exceptional resistance to heat shock and chemical leaching. Our sample vials are always used in the field of a biological agent, cosmetics, high-value chemistry. And we have high-quality...

Jeudi 01 août 2019

The ceramic microfiltration membrane element ( MF membrane) is made from alumina and zirconia which is an asymmetric membrane structure with multi-channel tubular shape. The pore is on the channel. Driven by operation pressure, the liquid is running in the membrane. The part less...

Jeudi 01 août 2019

It is important for the experimenters to use and maintain chromatographic columns correctly. They should focus on many some things so as to protect the columns in the using process. Here we talk about several attentions. Avoid changing pressure and temperature dramatically and any...

Mercredi 31 juillet 2019

- Description of Trunnion Mounted Ball Valve: - ZECO trunnion mounted ball valve is suitable for natural gas, oil and gas, chemical industry, metallurgy and other industries, sealing structure is divided into pre-ball sealing structure, post-ball sealing structure and double sealing structure...

Mercredi 31 juillet 2019

Bag filter housings are multi-purpose filter equipment with the features of novel structure, small size, simple and flexible operation, energy saving, high efficiency, airtight work and strong adaptability. Otherwise, they are very convenient to replace the filter bags and there is...

Vendredi 26 juillet 2019

Indoor humidity produced by human activity(showering, cooking, perspiring, and even breathing) can build up to very high level, it does more than make us uncomfortable. This can encourage the growth of organisms harmful to our health, and over time, it`s bad for the structure and furnishings...

Vendredi 26 juillet 2019

Thenow residential ceiling mounted energy recovery ventilator-HEPA Series added HEPA filters after G3 or F7 filter which can prevent the fine particles high efficiently. We have a completely range of energy recovery ventilation systems offering different levels of air flows and filters...

Vendredi 26 juillet 2019

Constant fresh air in your home is an important aspect to maintain the indoor air quality. A good ventilation system will protect your family from unpleasant odos and harmful contaminants such as formaldehyde and VOCs. Opening window is a simply way to increase ventilation, it can...

Vendredi 26 juillet 2019

Nowadays, the standards of people's living are improving, not only to install air-conditioning, floor heating, and better-conditioned homes,but also to install ventilator, dehumidification and other equipment. A person with insights who is more environmentally conscious, and also...

Jeudi 25 juillet 2019

Quantité : 50 - Prix : $13.80

20pcs Magnum Tattoo Needles Cartridge About the product: - Compatible with all standard cartridge grips & machines. - Made of 316L surgical stainless steel and medical-grade plastic. - E.O. Pre-sterilized and packaged in sterile blister packs. - No allen keys required, sold...

Jeudi 25 juillet 2019

Quantité : 50 - Prix : $12.50

Padieoe Tattoo Needle Cartridges Round Liner Needles 20pcs About the product： - Compatible with all standard cartridge grips & machines. - Made of 316L surgical stainless steel and medical-grade plastic. - E.O. Pre-sterilized and packaged in sterile blister packs - No allen...

Mardi 23 juillet 2019

Steelmaking is the process for producing steel from iron ore and scrap. In steelmaking, impurities such as nitrogen, silicon, phosphorus, sulfur and excess carbon are removed from the raw iron, and alloying elements such as manganese, nickel, chromium, and vanadium are added to...

Lundi 15 juillet 2019

Syringe filters are widely used in laboratories. The users do not need to change membranes and clean filters, which can save complex and time-consuming preparations. It is very convenient and easy to operate. They are mainly used in sample pre-filtration, clarification, degerming of particles...

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...

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...

Jeudi 11 juillet 2019

1. Aspiration and drainage Vertical aspiration; the tip of the tip is immersed in the liquid surface below 3mm. The tip of the tip is pre-flushed in the liquid before the aspiration; slow suction and slow release; if the amount is small when the liquid is discharged, the tip of the...

Jeudi 11 juillet 2019

The formation of a flash phenomenon The boiling point of water is higher than 100℃ when the water is heated under a certain pressure. The higher the pressure, the higher the boiling point of water and the higher the heat content. When the pressure decreases, some sensible heat is released...

Jeudi 11 juillet 2019

The formation of a flash phenomenon The boiling point of water is higher than 100℃ when the water is heated under a certain pressure. The higher the pressure, the higher the boiling point of water and the higher the heat content. When the pressure decreases, some sensible heat is released...

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...

Jeudi 04 juillet 2019

Brief introduction of the capsule filter The bag filter is also called abandoned filter. Its shell is made of high-temperature polypropylene material. The inner filter core is made of folded filter core welded together by hot fusion. It is suitable for filtering small doses of liquid...

Mercredi 03 juillet 2019

Capsule filters are available in various sizes and can be autoclaved, which have four interfaces, two of which inlet and outlet of the filtered liquid are in the middle. One of the two sides is a vent, the other is a drain. Features of capsule filters 1. 1/4 male thread interface...

Lundi 01 juillet 2019

Model No.: W750,W1300,W1600 Max Thickness: 1.2mm Max Width: 750mm,1250mm,1550mm Roller Diameter: 63mm,63mm,72mm Min Diameter: 88mm,88mm,100mm Min.Order Quantity: 1 Set Supply Ability: 10 Sets per Month Port: GUANGZHOU PORT,SHENZHEN PORT Payment Terms: T/T,L/C 3-Roller Duct Bending...

Lundi 01 juillet 2019

This is a useful weapon for experimental analysts to filter micro-samples quickly and effectively, such as sample pre-filtration, clarification, and filtration of particles, liquids, and gases sterilizing, etc. The structure of Hawach syringe filter The structure of Hawach syringe...

Vendredi 28 juin 2019

Nous sommes transitaire ( GALFT-TRANSIT ) et nous avons pres de 10.000 Tonnes de gingembre et nous recherchons des clients ou un partenariat pour l'achats des 10. 000 Tonnes de gingembre, si vous êtes intéressés veuillez me contacter sur notre adresse ci-dessous ''''' URGENT '''''' Email ...

Lundi 24 juin 2019

Prix : USD44,000 to USD17,0

Our own number: 535 1. Re-manufactured Sany 45 meters concrete pump, Isuzu chassis, 4RZ boom ground jack is leg lifting. First-level standard maintenance. High working stability. 2. 20 hours pressurized with water and debugging, exempted from inspection in perfect condition. New tires...

Vendredi 21 juin 2019

Quantité : 20 T - Prix : --

BONJOUR NOUS DISPOSONS DE DATTES TUNISIENNES DE QUALITE A DAKAR SENEGAL : 5 T de branche demi kilo à 2150 FCF 5 T standard 1kg A 2050 FCF 4 T CONDITIONNE 5KG A 8000 FCF LE TOUT A RECUPERER SUR NOTRE DEPOT A THIES Localisation : DEPOT A THIES, 10000 DAKAR, Personne à contacter : RANIA TREDANO...

Vendredi 21 juin 2019

Quantité : -- - Prix : --

Bonjour nous sommes une société avec une unité de production de légumes secs à savoir : oignon, tomates, carottes, aubergines... Nous exportons vers la france et l'allemagne, on est à la recherche de nouveau clients, nous avons des prix qui defient toute concurence veuillez nous contacter ...