LIQUIDS - 5998 Annonces

Jeudi 10 octobre 2019

Laboratory vacuum filter is a common instrument in the laboratory, which can be used to separate particulate matter from liquid samples. The following points should be paid attention to in the daily use of vacuum filtration: 1. Suitable vacuum pump should be used to match the vacuum...

Jeudi 10 octobre 2019

Currently, bottle-top dispenser provided by Hawach falls into two types: mechanical bottle-top dispenser and electronic bottle-top dispenser. Both of them are made of optical glass, Al2O3，ETFE， PFA， FEP， PTFE, platinum-iridium alloy and PP(HARD HAT), so the quality is superb and chemical...

Jeudi 10 octobre 2019

Filter paper plays an important role in the laboratory experiments. Glass fiber filter paper is almost immune to the moisture, and the time of the filtration is not very long. The glass fiber filter paper will be used to filter the solutions that block the filtration pores of the...

Jeudi 10 octobre 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Mercredi 09 octobre 2019

Flash column chromatography is an easy and fast method to separate the complex mixtures. It can not only make the separation effect better but also shorten the time. How to put the sample into the flash column is of high importance in the preparation process of flash column chromatography...

Mercredi 09 octobre 2019

Hawach Scientific co., LTD. is a professional technology company integrating analytical chemical product development, manufacturing, sales, and service, Since its establishment, the company has maintained a high speed and steady pace of development, along with scientific and technological...

Mercredi 09 octobre 2019

Solid phase extraction (SPE) is used to reduce sample matrix interference and improve detection sensitivity. The separation selectivity of the solid phase depends on the retention strength of the components that can be retained, so the selection of the solid phase will depend on the...

Mardi 08 octobre 2019

The pipette is a kind of common instruments in the labs. And how should the experimenters use the pipette correctly? We will introduce the steps in the follow-up articles. Step 1: Hold the pipette correctly Hold the handle of the pipette with the palm and four fingers, put the index...

Mardi 08 octobre 2019

With the increasing difficulty of detection and the increasing requirement of detection, a large number of analytical instruments have entered the laboratory, and bottle top dispenser is one of them. The characteristics of the bottle top dispenser are described in detail below. 1...

Mardi 08 octobre 2019

Qualitative analysis filter paper generally has more residual ash content, which is only used for general qualitative analysis and filtration solution of precipitation or suspended matter, not for quality analysis. In terms of type and specification, qualitative analysis filter paper...

Mardi 08 octobre 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Lundi 30 septembre 2019

Quantité : 10set/mont - Prix : 0-1 million US dolla

We have concrete line pump truck for sale! Truck mounted line pump, also called truck mounted concrete pump, is the concrete pump mounted on the truck for flexible movement and high pressure concrete pumping to the construction place. It provides both the pump truck and the trailer...

Lundi 30 septembre 2019

Quantité : 10set/mont - Prix : 0-1 million US dolla

The PB32A-3R-II placing boom (or we can call it self climbing placing boom) adopts high strength steel as its arm material. And the main electronic components are products of the world-famous brand, with high-quality. The whole machine is driven by hydraulic system and can be easily...

Lundi 30 septembre 2019

Quantité : 60-100 mil - Prix : 0.1USD-0.5USD

Product Name: Body Wash Bottles Material: PET Materials; PP Materials Capacity: 50ml-750ml Slogan: You have a wide variety of choices Introduction: This series of body wash bottles are made of PET materials and PP materials. They are environmentally friendly and contain no harmful additives...

Lundi 30 septembre 2019

Quantité : 60-100 mil - Prix : 0.1USD-0.5USD

Product Name: 50ml 100ml 150ml 200ml Shampoo Bottles(200ml plastic bottle) Material: PET Materials Capacity: 50ml 100ml 150ml 200ml Slogan: Dark green bottle and sloping shoulder gives you exquisite texture. Dark green bottle and sloping shoulder gives you exquisite texture Introduction...

Lundi 30 septembre 2019

Quantité : 60-100 mil - Prix : 0.1USD-0.5USD

We have lotion bottles for sale? Product Name: 500ml Plastic Cylinder Lotion Bottle Material: PET Materials Capacity: 500ml Slogan：The materials are at ease, with comfortable heart The materials are at ease, with comfortable heart Introduction: this emulsion bottle is treated with hot silver...

Lundi 30 septembre 2019

Quantité : 60-100 mil - Prix : 0.1USD-0.5USD

Product Name: 30ml Plastic Spray Bottle Material: PET Materials; PP materials Capacity: 30ml Slogan：Magical colors give you high-grade experience Magical colors give you high-grade experience Introduction: This plastic spray bottle is cylindrical in shape and has a round shoulder...

Lundi 30 septembre 2019

Quantité : 60-100 mil - Prix : 0.1USD-0.5USD

Product Name: 100ml Plastic Medicines Bottles (100ml Plastic Bottles) Material: The bottle body is made of PET materials, the cap is made of PP materials. Capacity: 100ml Slogan: Convenient and beautiful, good experience Convenient and beautiful, good experience Introduction: This...

Lundi 30 septembre 2019

Syringe filters are widely used in the laboratory. They do not need to change membranes and clean filters, thus eliminating complex and time-consuming preparations. It is mainly used for sample pre-filtration, clarification and bacterial filtration of particles, liquids and gases...

Lundi 30 septembre 2019

1. Stainless steel filter cartridge shape is stable and its impact resistance and alternating load capacity are superior to other metal filter materials. 2. The pore is uniform and stable, the permeability is good, the pressure loss is small, the filtration precision is high, and...

Lundi 30 septembre 2019

1. The pore size of the filter membrane must be accurately selected as needed before use. The material to be filtered must be larger than the pore size of the membrane. 2. It should be cleaned before use, that is, soaked in distilled water of about 70-80 degrees for 4 hours, or soaked...

Lundi 30 septembre 2019

SPE is a kind of sample production technology which is more and more useful in which many problems related to liquid and liquid extraction could be avoided, such as the incomplete separation, non-quantitative recycle, the use of expensive and fragile glass vessels, massive organic...

Dimanche 29 septembre 2019

Hawach glass solvent filter is made of high-quality borosilicate glass, which can be used to filter various aqueous solutions, organic substances, and corrosive liquids. The glass Solvent filter is available in one liter and two liters and consists of a triangular liquid collection bottle...

Dimanche 29 septembre 2019

The specific operation steps of bottle-top dispenser are as follows: (1) Put the dial scale at zero position and cover the nozzle of the bottle-top dispenser pipe cap. (2) Place all bottle-top dispensers and reagent bottles inappropriate size cleaning containers, and then set the...

Dimanche 29 septembre 2019

The paper of the filter paper is loose and has strong absorption of liquid. Analytical laboratories often use filter paper as a filter medium that separates the solution from the solid. More importantly, during the manufacturing process of quantitative analysis filter paper, the pulp...

Dimanche 29 septembre 2019

There are many types of chromatographic methods, and different classification methods can be used from different perspectives. Classification from the state of two phases. In the chromatography, the mobile phase may be a gas or a liquid, and thus can be classified into gas chromatography...

Samedi 28 septembre 2019

Depending on the packing of the HPLC column. The following column types are available on the market: 1. Silica gel HPLC column: Silica gel is the earliest chromatographic column packing used in liquid chromatography. It has a wide range of applications. However, it can only be used...

Samedi 28 septembre 2019

Quantité : 100 set - Prix : 1000-6000USD

8300 lumens, 1920*1080 resolution, 0.65-4.7 throw ratio DU8300 is the professional engineering projector. The high lumens projector has 8300 lumens brightness with WUXGA resolution. The professional laser projector supports 2*360 ° vertical and horizontal projection, which can meet...

Samedi 28 septembre 2019

Quantité : 100 set - Prix : 1000-6000USD

7800 lumens, 1920*1080 resolution, 0.65-4.7 throw ratio laser projector Da00 is the professional engineering projector. It has 7800 lumens brightness with WUXGA resolution. It has five removable lens with 0.65-4.7 throw ratio. It supports 2*360 ° vertical and horizontal projection...

Vendredi 27 septembre 2019

Microfiltration (commonly abbreviated to MF) is a type of physical filtration process where a contaminated fluid is passed through a special pore-sized membrane to separate microorganisms and suspended particles from process liquid. MF membrane is commonly used in conjunction with...