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Thursday, October 10, 2019

QuEChERS firstly came out in 2003. The inventors of QuEChERS, Michelangelo Anastasiades and Steve Lehotay, were asked for the three biggest improvements in this method from development to now. They made the following statement. In the period of conceiving the method QuEChERS, we have...

Wednesday, October 09, 2019

Yufeng INB-M filler units are molded in clear, FDA approved polycarbonate. It can hold 6 L fillings, since it is clear so you can see the material how many it is. The bases have a number of features that make them useful in a wide variety of applications. They include: Normal Cycling...

Wednesday, October 09, 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...

Tuesday, October 08, 2019

Quantity : 100 - Price : 0$

Nickel Alloy 625 is utilized both for its high quality and extraordinary fluid consumption opposition. The quality of Inconel 625 is essentially a strong arrangement impact from molybdenum and columbium. Nickel Alloy 625 has fantastic weldability. The coordinating filler metals are...

Monday, September 30, 2019

Pendulum mill is also called as suspension roller or Raymond mill. It is a "ring and roller" powder-making mill equipment, which is combined with air flow screening and pneumatic conveying. The pendulum grinding mill belongs to the roundel immovable mill and has high universality...

Saturday, September 28, 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...

Thursday, September 26, 2019

- Reversed-Phase Principle - The reversed-phase filler is a kindly of nonpolar filler such as C4, C8, C18 aliphatic chain which is bonded on the silica gel. Nonpolar or hydrophobic compounds are strongly reserved, while polar samples are weakly reserved and go through the flash reversed-phase...

Wednesday, September 25, 2019

Quantity : 50000/mont - Price : usd3-10

Chemical Earth Electrode System Performance characteristics and working principle of Chemical Ground Electrode: 1. Chemical ground electrode 2. Existing soil 3. Special filler 4. Ions diffuse around 5. Expand the conductive range of the soil Chemical Grounding electrode (chemical...)

Friday, September 20, 2019

Hawach spherical C18 flash column is a typical column product used for the preparative separation, which has undergone rigorous mass determination before sales. The performance parameters of the flash column are carefully controlled and rigorously tested as well. Basic Information...

Thursday, September 19, 2019

Quantity : 1 - Price : Product: 1-100 yuan

BMC/SMC Moulding Description: We mainly use SMC injection molding and pressure molding as the methods. When designing the flow channel and parting surface, we think that the cavity pressure should be as small as possible, especially some small ribs, as well as the smooth exhaust,...

Wednesday, September 18, 2019

Hawach SPE Cartridges are made of medical grade PP and forming in one time. Frits are made of UHMW-PE. There is a variety of models to choose, such as Normal Phase Cartridge, Reversed Phase Cartridge, Ion Exchanges Cartridge, Mixed Mode Cartridges and so on. Here, We would like to...

Wednesday, September 11, 2019

Quantity : 300pcs/MOQ - Price : 1.5-10usd

PVC coil mat carpet is a carpet made of PVC resin material. It is made of PVC and its copolymer resin as the main raw material, with fillers, plasticizers, stabilizers, colorants and other auxiliary materials. It is formed on a continuous sheet of substrate by uniform mixing, coating...

Tuesday, September 10, 2019

donut filler for sale Australia -Yufeng The donut filler universal voltage, plug and play, it is friendly using in the store. All hoppers are crafted in easy-to-clean reinforced plastic and have also been designed for easy viewing of the filling level inside. It can recycled materials...

Tuesday, September 03, 2019

The basic principle of SPE cartridges is that the liquid sample is made to pass through the adsorbent to retain the tested substance, and then the impurities are washed away with appropriate strength solvent, and then the tested substance is eluted with a small amount of good solvent...

Thursday, August 29, 2019

PVC coil door mat carpet is a carpet made of PVC resin material. It is made of PVC and its copolymer resin as the main raw material, with fillers, plasticizers, stabilizers, colorants and other auxiliary materials. It is formed on a continuous sheet of substrate by uniform mixing...

Friday, August 16, 2019

- Category - In terms of the filler type, SPE column can be divided into four applications of silicone bonding matrix, polymer matrix, absorption matrix and specialized columns. Besides, the silicone bonding has four sorts—antiphase(C18 sealing end/uncapped/hydrophile, C8), positive...

Wednesday, August 14, 2019

Physical properties of the chromatographic column could affect the performance of C18 HPLC columns. - Performance factors of C18 HPLC columns: - Silica gel purity Class A silica gel has high residual silica hydroxyl with a negative charge and high metal content on the acidic surface...

Thursday, August 08, 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...

Thursday, August 08, 2019

Most common SPE cartridges are injection syringes made of polyethylene, in which there are two plugs made of polypropylene or fiberglass, with a certain amount of chromatographic adsorbent (filler) between the two plugs. SPE cartridges without sieve plate 1. Avoid “non-specific adsorption” 2...

Tuesday, August 06, 2019

Yufeng INB-M cake filler for bakeshop INB-M cake filler is used for filling cream cheese, ketchup, raspberry, strawberry and other fruit jams. It had approved CE and FDA certificate. Mini size, easy clean, using friendly, competitive price, precise filling, is not the bakeshop best choice...

Tuesday, August 06, 2019

Yufeng factory directly selling INB-M mini jam filler Now! Yufeng recruitment of overseas agents and distributors, we provide the good price and superb quality for you to selling. If you are interested in it, welcome to contact us, more information please enter the website: www.yufengbakery...

Tuesday, August 06, 2019

Price : face to face

Yufeng INB-M automatic pastry filler The power base has a step motor, filling amount will more accurate. It can injecting cottage cheese, creams, custard, jelly, ketchup, mustard, pudding and yogurt, chocolate and etc. Whole machine just around 8kg. Standard hopper capacity 6L ...

Monday, August 05, 2019

One of the main factors affecting the life of the liquid chromatographic column is the mobile phase. There are three aspects of the mobile phase factors. The pH value of the Mobile Phase The fillers of different substrates apply to different pH value range. Under normal temperature...

Friday, August 02, 2019

Flash column pressure has something to do with the form of silica gel, the mesh number, the synthesis condition of filler, the condition of column packing, the mobile phase, and the temperature when analyzing. Different manufacturers' new flash columns, their column pressures may...

Thursday, August 01, 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...

Tuesday, July 30, 2019

The improper use of chromatographic columns will make the columns decrease or lose effectiveness. Generally speaking, the columns always have problems at the end of them. If we can install a short column with the same stationary phase as the analysis column in front of analysis column...

Friday, July 19, 2019

Bonded-phase chromatography is a liquid-liquid chromatography method in which a stationary phase is covalently bound to a carrier particle, which overcomes the mechanical shock in the distribution chromatography, the constant loss of the stationary phase and the gradual change of...

Monday, July 15, 2019

All the technique cores of HPLC from Hawach Scientific are focused on the characteristics of the chromatogram column. Quality Recognition This is shown as the fact that terminal customers have published more than 500 papers on those journals at home and abroad. For famous oversea journals...

Friday, July 12, 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...

Thursday, July 11, 2019

SPE column or SPE cartridges are based on liquid-solid phase chromatography theory, it is a kind of extraction, separation, concentrated sample preparation unit. Mainly used in sample pretreatment of various foods, agricultural and livestock products, environmental samples and target...