IMPURITIES - 1116 Anuncios

China 710077 Varios / Descuento
Filter Paper Used As Filter Media

Domingo 29 septiembre 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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 211808 Bienes de equipo
MF Membrane Technology

Viernes 27 septiembre 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...

Jiangsu Jiuwu Hi-tech Co., LTD

  • jiuwu
  • 211808 - nanjing
  • 025 58109595
  • +86 025 58109595
China 211808 Bienes de equipo
Microfiltration Ceramic Membrane Element

Viernes 27 septiembre 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...

Jiangsu Jiuwu Hi-tech Co., LTD

  • jiuwu
  • 211808 - nanjing
  • 025 58109595
  • +86 025 58109595
China 710077 Varios / Descuento
Selection Of Flash Column

Viernes 27 septiembre 2019

Reliable flash columns play a decisive role in a good chromatographic separation method, which ensures complete separation of valuable compounds and specific impurities. Choosing the right flash column is the most critical part of the purification process. There are two aspects should...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Sterilized Microporous Membrane Precautions

Viernes 27 septiembre 2019

1. To protect the life of the filter, use the same size filter paper or crepe cloth on the filter to prevent the filter from rupturing. 2. As the determination of the bubble point: the determination of the bubble point pressure can reflect the pore size of the sterilized microporous membrane...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 473000 Bienes de equipo
Potato Starch Making Machine

Martes 24 septiembre 2019

Cantidad : 1 - Precio : 7800-200000usd

Potato Starch Process Description and Flowchart: Goodway has been continuously developing potato starch making machine since 1991 to maximize product quality. From potato root hopper until the packaging stage, we can supply machines together with production process know-how. The...

Nanyang Goodway Machinery & Equipment Co., Ltd.

  • 473000 - FangCheng County
  • +86 377 67456228
China 473000 Bienes de equipo
Cassava Starch Machine

Martes 24 septiembre 2019

Cantidad : 1 - Precio : 7800-200000usd

Cassava (tapioca) Starch Process Description and Flowchart: Goodway has been continuously developing cassava tapioca starch processing machine since 1991 to maximize product quality. From cassava root hopper until the packaging stage, we can supply machines (tapioca processing machine)...

Nanyang Goodway Machinery & Equipment Co., Ltd.

  • 473000 - FangCheng County
  • +86 377 67456228
China 230000 Bienes de equipo
Pine Nut Color Sorter

Lunes 23 septiembre 2019

Model PRO-N3,with capacity 800-2000 kg/hour LINPRO Pine Nut Color Sorter Solution Function 1. Working for shelled Pine nut, to separate the mildew pine nut, dark pine nut and other defectives. 2. Working for Pine nut kernel, to get rid of the defective kernel and impurities. 3. LINPRO...

LINPRO INTELLIGENT TECHNOLOGY CO.,LTD

  • 230000 - hefei
  • 86 13635609046
China 621000 Varios / Descuento
Corn Germ Oil Press Machine

Viernes 20 septiembre 2019

Cantidad : 500 - Precio : 7000-10000

The correct installation method of corn oil extraction process: Before installing the equipment, the newly purchased corn oil extraction machine should be cleaned thoroughly. Remove the spindle and the cage, and polish the outer surface, inner surface and screw feeder of the screw...

China 621000 Varios / Descuento
Castor Oil Press Machine

Viernes 20 septiembre 2019

Cantidad : 500 - Precio : 7000-10000

Castor oil extraction machine is composed of electrical control, automatic heating, adjustment, transmission, and vacuum oil filter. The screw is carburized by alloy steel to enhance surface hardness and wear resistance. The screw platter is ground by the surface grinding machine...

China 710077 Varios / Descuento
How to Keep the Vacuum Filtration Instruments in Good Conditions

Jueves 19 septiembre 2019

Good usage habit can help the experimenters to prolong the service life of the vacuum filtration instruments. The experimenters should pay attention to the following items to keep the instruments in good conditions. 1. Please check that if the voltage marked by the nameplate on the...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
The Role Of Filter Papers

Jueves 19 septiembre 2019

The filter paper used in the analytical laboratory performs a strong absorption effect for liquids, which can separate the solution from the solid. The filter paper produced domestically could be divided into three types, including qualitative filter paper, and quantitative filter paper...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 63000 Varios / Descuento
Calcium Aluminate Cement

Miércoles 18 septiembre 2019

Cantidad : 20GP - Precio : 5USD

Description of Calcium aluminate cement Calcium aluminate cement, alumina cements or high alumina cements are obtained by the reaction at high temperature of lime (from limestone) and alumina (contained in natural minerals like bauxite). The product obtained after cooling is a hard mineral...

OREWORLD TRADE(TANGSHAN) CO., LTD.

  • 63000 - tangshan
  • 03155392228
China 63000 Varios / Descuento
Calcium Aluminate Cement

Miércoles 18 septiembre 2019

Cantidad : 20GP - Precio : 5USD

Description of Calcium aluminate cement Calcium aluminate cement, alumina cements or high alumina cements are obtained by the reaction at high temperature of lime (from limestone) and alumina (contained in natural minerals like bauxite). The product obtained after cooling is a hard mineral...

OREWORLD TRADE(TANGSHAN) CO., LTD.

  • 63000 - tangshan
  • 03155392228
China 710077 Varios / Descuento
SPE Technology Brief Introduction

Lunes 16 septiembre 2019

The extraction is divided into liquid phase extraction (LLE) and solid phase extraction (SPE). SPE technology is a column chromatography separation process. The technology is a combination of liquid-solid extraction and column liquid chromatography. The combination of this technology...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Vacuum Filtration Overview

Jueves 12 septiembre 2019

Vacuum filtration is a chemistry technique that can allow for a greater rate of filtration in the lab. In normal filtration, the gravity can provide the force drawing the liquid through the filter paper, but a pressure gradient performs this function in vacuum filtration, offering...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
A Glance at Cellulose Extraction Thimbles

Jueves 12 septiembre 2019

Cellulose extraction thimbles are highly recommended as the high-quality sample reservoirs for quality control, research, and analytical applications especially when solvent extraction of solids and semi-solids need to be carried out. And the use of a Soxhlet extractor loads the safe...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
A Brief Introduction of Hawach Quantitative Filter Paper

Jueves 12 septiembre 2019

Hawach Scientific is the production of filter paper professional manufacturers with advanced production technology and perfect testing equipment. Quantitative filter paper is suitable for a wide range of critical gravimetric analytical filtration procedures. In the manufacturing process...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Precautions During The Use Of RP-HPLC Columns

Miércoles 11 septiembre 2019

When storing the column, the column should be filled with acetonitrile or methanol, and the column joint should be tightened to prevent the solvent from evaporating and drying. It is absolutely forbidden to leave the buffer solution in the HPLC columns for an overnight or longer period of time...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Why Use Acetonitrile as the Extraction Solvent during QuEChERS?

Martes 10 septiembre 2019

1. Advantages and disadvantages of commonly used extraction solvents Acetonitrile: easy to salt out; compatible with LC/MS; difficult to concentrate Acetone: not easy to salt out; easy to volatilize, concentrate Ethyl acetate: immiscible with water; less extraction of impurities;...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
The Basic Principle and Application of SPE Cartridges

Martes 03 septiembre 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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
The Source And Control Of Pollution In Sampling

Viernes 30 agosto 2019

Source of Pollution Potential sources of pollution include the following: 1. Pollution from the previous sample which remained in the sample vial. 2. Pollution from the sampling position. 3. Pollution from water remained on the sampling rope. 4. Pollution from the sample vial itself...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Application of Gas Filter Housings

Miércoles 14 agosto 2019

A gas filter housing is an advanced, efficient and easy to operate automatic filter device. It is widely used in metallurgy, chemical industry, petroleum, papermaking, medicine, food, mining, electric power, urban water supply fields. A gas filter housing is composed of shell, multi-element...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
How To Choose Filter Paper?

Martes 13 agosto 2019

Filtration is a kind of physical changes which separate solid impurities from the liquid through porous filter media, only fluid can pass by the porous filter media. So the degree of retention determines the separation efficiency. Hawach provides various options to satisfy every laboratory...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
How to Select Different Kinds of Syringe Filter

Lunes 12 agosto 2019

Syringe filter is a kind of filter connected to the front of the syringe. When the experimenters deal with the chromatographic samples with syringe filter, they should pay attention to avoiding bringing impurities in the process of filtration. One reason for the appearance of such...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
The Importance Of Flash Columns In Chromatography

Lunes 12 agosto 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 45000 Bienes de equipo
Foto no disponible

Domingo 11 agosto 2019

From "removing and dismantling" to "construction", what can construction waste do when it is crushed? In recent years, with the acceleration of urbanization, projects such as road construction, building expansion, old city reconstruction, and infrastructure projects have been increasingly...

Henan Hongxing Mining Machinery Co., ltd.

  • 45000 - Zhengzhou
  • +18 1 03 71 26 16
China 710077 Varios / Descuento
Features of Flash Column and Factors Affecting the Life of Flash Column

Jueves 08 agosto 2019

Flash columns adopt high-capacity silica gel for precise filling, which has very excellent separation and purification performance. The specific surface area of high-capacity spherical silica gel is 40% higher than that of ordinary spherical silica gel, and the sample loading is twice...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
SPE Cartridge Packaging And Application

Jueves 08 agosto 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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Testing Report Of Glass Fiber Extraction Thimble

Miércoles 07 agosto 2019

The thimble is utilized in extraction, so the dissolution rate of impurities is a comparatively deductive target. For the deficient data of cellulose extraction thimbles, the mental content in glass fiber ones has to be tested, and respective results of different sizes are listed...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Nombre de resultados por pàgina : 6 30 150

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