Divers - Import Export

Jeudi 06 juin 2019

The empty column is assembled from column joints, column tubes, and filters. The HPLC columns joints are constructed with a low dead volume. The column joints are threaded assemblies at both ends, with 7/16-inch external threads on one end and 3/16-inch internal threads on the other...

Jeudi 06 juin 2019

As one of the useful sample preparation technique, solid phase extraction can prevent many problems, such as incomplete phase separations, recoveries with poor quantity, waste of expensive fragile glassware, and extra disposal of organic solvents, which you may occur if you use the...

Mercredi 05 juin 2019

Some customers will react to their own PCR experiments. During the experiment, a large amount of long-term pipetting work has caused a great burden on their hands and caused certain damage! In fact, this situation is not uncommon, but everyone has not noticed it. As early as the end...

Mercredi 05 juin 2019

Some customers will react to their own PCR experiments. During the experiment, a large amount of long-term pipetting work has caused a great burden on their hands and caused certain damage! In fact, this situation is not uncommon, but everyone has not noticed it. As early as the end...

Mercredi 05 juin 2019

A diaphragm vacuum pump is mainly used in the fields of medical and pharmaceutical product analysis, fine chemicals, biochemical pharmacy, food inspection, public security criminal investigation technology, etc. The advantages of a diaphragm vacuum pumps 1. Advanced design and technique...

Mercredi 05 juin 2019

Hawach summarized the advantages of QuEChERS in eight aspects. 1. Recovery Rate QuEChERS technology has the advantage of high recovery rate. Experimental data show that the recovery rate of large quantities of polar and volatile pesticides by QuEChERS is above 85%. 2. Accuracy Laboratory...

Mercredi 05 juin 2019

Extraction thimble sizes should be decided as per users' specific applications. Every single size represents the particular practice of displaying the internal diameter and general length of the thimble in millimeters. Thus the extra allowance for the thickness of the thimble wall...

Mercredi 05 juin 2019

Economic Impact Analysis From the current US market price analysis, it's easy to find out that the quartz fiber extraction thimbles are priced much higher than the common extraction thimbles. The high-purity quartz fiber extraction thimbles are manufactured from pure quartz and are...

Mercredi 05 juin 2019

Hawach has two types of the bottle-top dispenser, the electronic one and the mechanical one. They are made of excellent chemical resistance and the components are made of PTFE, FEP, BSG, PP. It is available for fully autoclavable at 121℃. The electronic bottle-top dispensers, the...

Mercredi 05 juin 2019

Here we talk about the following four kinds of common filter papers about their constitution and characteristic that we can distinguish them. The first one is PP filter paper. PP filter paper is made from polypropylene as the raw material through a proprietary hot melt process, which...

Mercredi 05 juin 2019

The conventional membrane filter device comprises vacuum manifolds filtration system, joint flask, and the vacuum source. Conspicuously, the essential part is the filtration system, which consists of three glass filter holders with respective values and two handles placed on both sides...

Mardi 04 juin 2019

What should we consider when it comes to purchasing syringe filters of high cleanliness? When we talk about syringe filter cleanliness, we should consider particle contamination from filter, filter hardware, filter installation and the using process as each source may increase the...

Mardi 04 juin 2019

HPLC columns are manufactured and tested to exacting standards. If you use and maintain a liquid chromatography column with the following information, you will not only get better results but also extend the life of your HPLC column. Installation of HPLC columns: 1. First, check that...

Mardi 04 juin 2019

The laboratory vacuum pump is a basic instrument that can be used with a variety of instruments and equipment. It is very versatile. With the continuous upgrading of laboratory equipment, the requirements for vacuum pumps as auxiliary instruments are also increasing. Standard diaphragm...

Samedi 01 juin 2019

Economic Impact Analysis From the current US market price analysis, it's easy to find out that the quartz fiber extraction thimbles are priced much higher than the common extraction thimbles. The high-purity quartz fiber extraction thimbles are manufactured from pure quartz and are...

Samedi 01 juin 2019

General Categories of Filter Papers All the Filter Papers of Hawach Scientific Co., Ltd are made of cotton fiber, which can also be divided into qualitative filter papers and quantitative filter papers. The former can be confirmed its compositions and possesses a standard level and...

Vendredi 31 mai 2019

A sample vials cap (or gasket), made of paper, rubber, corkwood, metal, glass fiber or plastic polymer, is placed between the two planes to strengthen the seal and prevent fluid leakage. Machined surfaces cannot be perfect so use caps to fill in irregularities. Asbestos may be present...

Vendredi 31 mai 2019

Flash Columns Series Flash Columns produced by Hawachhas three series as follows. StarFlash Only silica gel columns are optional with another two types of standard and high-grade level which has higher purity degree and better quality than the former. PureFlash Corresponding to silica...

Jeudi 30 mai 2019

Quantité : 1 - Prix : 1,00 €

Solid-phase extraction (SPE) is a useful method of sample preparation. By sorting onto a disposable solid-phase cartridge, it can concentrate and purify analytes from solution. But sometimes, the results are unsatisfied with the poor and non-repeatable sample recovery. To avoid it...

Mercredi 29 mai 2019

Quantité : 1 - Prix : 1,00 €

The installation method of the extraction thimble is divided into vertical lifting, oblique mounting at a specific angle, flange mounting, and the like. The automatic cleaning method commonly used in the extraction thimble is high-pressure gas pulse back-blowing and mechanical vibration...

Mercredi 29 mai 2019

1. When installing the intake tube and the drain tube, insert the bottle-top dispenser tubes straight into the valves, tighten the nut properly to protect the tubes. 2. Make sure bottle-top dispenser that the intake and drain valves and all valves are properly installed and tightened...

Samedi 25 mai 2019

Hawach's name by Chinese means “the Cambrian”, also the Cambrian explosion. Here means we will keep on the way to become century enterprises and do better solutions for our clients, we also take responsibility for protecting reputation of the goods “made in China” For customer, we...

Mardi 21 mai 2019

DIN3352 F4 Non-rising stem resilient seated valve, PN10/16/25 Body/Bonnet: Ductile iron; Disc: EPDM+ductile; Stem: SS420; Nut: Brass; Gasket: ACS rubber; Bolts: SS304/carbon steel; Opetation: Handwheel or Cap ; In & outside FBE coating with average 250um； Localisation : service2@sinopipevalve...

Dimanche 19 mai 2019

Quantité : 57,600 KGs - Prix : 7.68 per KG

Origin: Ethiopia | Region: Guji | Altitude: 1850 – 2300 masl | Varietal: Indigenous Mixed Heirloom Varieties | Processing Method: Sun-Dried Natural (Unwashed) | Drying Method: Sun-Dried on Raised Beds | Grading: Grade 1 (Q1) Specialty Coffee | Cupping Score: 88+ | Tasting Notes: Fruity...

Samedi 18 mai 2019

0.22um Syringe Filters Features of Filtstar Series Activated Carbon Syringe Filters H ydrophobic Syringe Filter Inner diameter: 50 mm out diameter: 60 mm and pore size of 5 μm Luer Lock Inlet Tip Makes Secures Connections & avoid Blowoff Advantages of Filtstar Series Activated...

Samedi 18 mai 2019

As it is different from normal mixed cellulose esters membrane, Sterile Mixed Cellulose Ester (MCE) membrane filter is gridded filters with defined grid lines spaced at 3.1mm intervals. Sterile MCE grid membrane filters offer special color contrast provided by the membrane surface...

Mardi 14 mai 2019

siahmed consultancy is offering you a well spoken french and english chauffeur driven car for all your whereabouts while looking for business in Algeria we offer package "airport to airport" Localisation : cite 640 logements-les vergers-bir-mourad-rais, alger, Personne à contacter ...

Lundi 13 mai 2019

Dans le cadre de l'ouverture de nos activités commerciales nous souhaitons ouvrir un partenariat commercial avec tous fournisseurs , grossistes souhaitant exporter vers l'afrique en loccurence le textile , l'agriculture , l'alimentation , équipements électrique et électronique , machines...

Lundi 13 mai 2019

Quantité : 1 - Prix : 45,00 €

RD ONELUS U TYPE gear lock locks up your gear stick in reverse / geared condition and safes up from any theft. It is backed with 36 months warranty. Made in Taiwan PRODUCT DESCRIPTION It locks up your gear stick in reverse / geared condition and safes up from any theft 55°key rotation...

Jeudi 09 mai 2019

Quantité : 12 - Prix : 12,00 €

ISM Diseño & Molde Co.,Ltd es una manufactura profesional de moldes plásticos personalizados de alta calidad, especializada en el diseño, manufactura y producción de todo tipo de moldes de inyección y productos plásticos para clientes internacionales. ISM cuenta con un fuerte...