ORGANIC - 2762 Anuncios
Martes 30 julio 2019
Increasing the rate of filtration through the force on the solution over gravity, vacuum filtration is an operation of evacuating the air below the filter paper to maintain the pressure differential across the filter medium. It is widely applied in the laboratory for various tests...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Viernes 26 julio 2019
Cantidad : 10 tons ju - Precio : 2.4 litre
Nous sommes une société tunisien daboussi internationl trade on est producteur et exportateur du huile d'olive extra vierge certifiée par le programme organic. 10 000 L minimum quantité prix 2.4euro par litre (conteneur) Ubicación : Marrakech ain itti, 40000 Marrakech, Persona a contactar ...
Daboussi
- 40000 - Marrakech
- 212648405202
- 06 48 40 52 02
Lunes 15 julio 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 15 julio 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 15 julio 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 15 julio 2019
The solid phase extraction cartridges (SPE column, or Solid Phase Extraction Cartridges, or SPE cartridges for short) is a sample pretreatment device for extraction, separation and concentration developed from a chromatography column. Mainly used in sample pretreatment of various foods...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Viernes 12 julio 2019
Cellulose Exaction Thimble For the cellulose exaction thimble (CET), parameters are mainly focused on the constitution, heating temperature. CET is usually made out of high-grade cellulose or seamless noble cellulose and lines of cotton, excluding any binding elements, which means...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 11 julio 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 11 julio 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Miércoles 10 julio 2019
Cantidad : 10x 40 ft - Precio : 6 €
we offer sales and distribution of Aptamil milk powder across the world, our services to customers are fast and reliable to various destinations.. we also offer distribution of various diary products. we are a trading company, dealing in wholesale and distribution in the food and...
KLY GRUPO DE DISTRIBUCIÓN
- 48008 - Bilbao
- +34 6 31 88 15 03
- +34 6 31 80 99 68
Martes 09 julio 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 09 julio 2019
Rapid chromatography Technology for the separation and purification of natural products and biological macromolecules. It has the advantages of easy operation, cheap price, and rapid analysis, and a few other technologies can match the rapid chromatography in the application of purifying...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 09 julio 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 09 julio 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 09 julio 2019
Polymeric MCX SPE cartridges are used to extract strongly alkaline compounds. MCX is a mixed strong cation exchange adsorbent obtained by bonding sulfonic acid groups on highly crosslinked PS/DVB surface. It has both reverse phase and cationic exchange retentive properties and good...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 08 julio 2019
QuEChERS is a pretreatment that has the characteristics of Quick、Easy、Cheap、Effective、Rugged and Safe, which is the reason why it is becoming more and more popular in the new testing methods. It was developed by Professor Anastassiades in 2003, which was used in agricultural testing at first...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 08 julio 2019
SPE Technique Introduction SPE(Solid-phase Extraction), is an increasingly popularized technology of sample pretreatment, which is established on the basis of traditional LLE(Liquid-liquid Extraction). Combined with the substance interaction mechanism that like dissolves like, and...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 08 julio 2019
As a simple and fast absorption chromatography technique for the routine purification of organic compounds, flash chromatography is developed for the daily purification of reaction products in the lab, which is low costs and achieves separations of samples (0.01-10.0 g weight) in short time...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Viernes 05 julio 2019
Cantidad : 1 L - Precio : 18 €
Gift Morocco es el productor y exportador líder de aceite de argán orgánico y aceite de semilla de pera espinosa, y varios productos de belleza natural de la mejor calidad para el cuidado de la piel y el cabello. Combinamos la mejor calidad con el mejor precio. Nuestro aceite de argán...
Gift Morocco SARL
- 80350 - Agadir
- 06 62 68 12 82
Viernes 05 julio 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 04 julio 2019
C8 HPLC columns are used to isolate many organic compounds, which are one of the reversed phase silica gel columns. The maintenance of C8 HPLC columns requires organic solvents. Chromatographic grade methanol is recommended and different brands of chromatographic columns should be...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 04 julio 2019
Flash column chromatography method is to separate the constituents from the mixture and thus purify it. In a word, flash column chromatography makes the samples go through the column which is filled with gel to achieve separation. In the beginning, the founder of flash column chromatography, Mr...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 04 julio 2019
(1) When loading and unloading or replacing the HPLC columns, the action should be light and the joint should be tightened properly. Strong mechanical vibration must be prevented to avoid voids in the bed. (2) If the instrument is used for routine analysis, the sample type is limited...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Miércoles 03 julio 2019
Chromatographic analysis technology has been widely used nowadays. It is quite important to clean the chromatographic sample vials carefully. When the number of samples is enormous, a large number of chromatographic sample vials need to be cleaned during the experiments. If the sample...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Miércoles 03 julio 2019
Flash column chromatography is an efficient way to separate complex mixtures of compounds in the lab. we use compressed air to push the solvent through the column when we are running flash columns. It can help provide better separation and cut down the running time as while. Flash...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 02 julio 2019
Precio : whatsapp: +212651664
Premium Kosmetics Company es un proveedor líder con experiencia y uno de los mejores productores y exportadores de aceite de argán 100% orgánico, así como muchas otras gamas de productos para el cuidado de la piel y el cabello. Nuestra misión en la empresa Premium Kosmetics es complacer...
PREMIUM KOS
- 40120 - Marrakech
- +212651664694
Martes 02 julio 2019
Pip ettes are often used in laboratories, schools, research institutes, hospitals, etc. Among the many pipette types, multi-channel pipettes are pipettes with multiple tips, so some users are in use. It is found that the pipette tip suction amount is inconsistent. What causes the...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 02 julio 2019
In this article, we want to clarify the syringe filter. Each of the different syringe filters is applied to the specific product Which the various syringe filter is worth seeing more and what are the right steps and methods to have a try. Classification by membrane The filtration...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 02 julio 2019
The key to regenerating contaminated HPLC columns is to know the nature of the contaminants and to find the right solvent to remove. If contamination is caused by the accumulation of strongly retained materials during repeated injections, simple steps to remove these contaminants...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 01 julio 2019
Precio : 25$ per kg.
Whole organic black pepper, fully government certified. Ubicación : To 5, Ap Ganh Gio, Huyen Phu Quoc, 20000 Phu Quoc, Persona a contactar : Thuy Le, +84 9 39 62 48 48
Thuy House LTD. Co.
- 20000 - Phu Quoc
- +84 9 39 62 48 48