SAMPLES - 8638 ads

Wide Application Of HPLC Columns

Tuesday, August 06, 2019

HPLC is more suitable for the separation and analysis of substances with the high boiling point, poor thermal stability, physiological activity, and relatively large molecular weight. Hawach HPLC columns are widely used in the analysis of nucleic acid, peptide, lactones, polycyclic...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
What Are The Applications Of Ion-Exchange Solid Phase Extraction?

Tuesday, August 06, 2019

Ion-exchange solid phase extraction is widely used in biological samples and environmental monitoring. During the extraction process, the pH of the sample is adjusted so that the solute is easily ionized. The solute is exchanged from the resin by changing the pH or increasing the...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 450000 Raw materials
photo not available

Monday, August 05, 2019

Quantity : 900 tons - Price : 2300 usd/ton

304 stainless steel sheet specification: Item Name: Cold rolled/ Hot rolled stainless steel sheet Standard: ASTM,AISI,DIN,EN,GB,JIS Grade: 201, 304, 310S,316,316L,430,409 Thickness: 0.273mm-40.0mm,or customized Width: 1000mm,1219mm,1500mm,or customized Edge: Slit edge/Mill...

Glory diamond industry limited

  • 450000 - zhegnzhou
  • +8613526452280
Vacuum Filtration Structural Components

Monday, August 05, 2019

Vacuum Filtration is a device for accelerating water filtration by negative pressure caused by air extraction. It's a filtering product that most lab customers will be used for suspension detection in water extraction filtration, microbial limit detection extraction filtration, chromatographic...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Advantages And Application Prospects Of QuEChERS

Monday, August 05, 2019

QuEChERS method has unique advantages in pesticide residue analysis. Due to the irrational use of pesticides and inadequate supervision of pesticide use, people may suffer from acute or chronic pesticide poisoning after eating pesticide-contaminated food, and even threaten human health...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Definition of Syringe Filter

Friday, August 02, 2019

Syringe filter is a kind of disposal filter cartridge, which is attached at the end of injector for using. It is optional to use syringe needles, if it is possible, it could be installed in the end. It is generally made of plastic shells and thin films which acts as filters. Due to...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Classification and Parameter of Sample Vials

Friday, August 02, 2019

The vial is a relatively small glass tube or vial, usually with a vial cap. Bottle bottoms are generally flat, rather than having a spherical bottom like a test tube. When choosing a vial, customers should mainly choose from several aspects, such as material, color, volume, diameter...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Reason for Increase of Column Pressure During Use

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
What Causes Pollution Of HPLC Column?

Friday, August 02, 2019

Usually, the sample contains something that is not of interest to the analyst. Salt, lipids, lipid-containing substances, humic acid, hydrophobic proteins, and other biological substances are some substances that may interact with the HPLC column in use. These substances have less...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Main Points Of Maintenance Of Hawach Glass fiber Extraction Thimble

Thursday, August 01, 2019

QuEChERs is a sample treatment and purification technology for the detection of multiple pesticide residues in high-water-content food. Because it simplifies the previously complex extraction procedures and expands the scope of the extracted pesticide residues, QuEChERs becomes an...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Three Cleaning Methods of Sample Vials

Wednesday, July 31, 2019

Sample vials play an important role in the experiments. We'd better not reuse them. If it has to be reused, the cleaning method is very important. It is noteworthy that vial pads must be replaced with new ones. Otherwise, the quantitative results will be affected. And here we will...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Selection and Sample Loading Mode of Flash Column

Wednesday, July 31, 2019

- The Selection Principle of Silica Gel Column - Commonly, the maximum sample loading volume of a silica gel column is about 1/20 of the volume of the column's silica gel. However, as a practical matter, specific sample loading volume should be decided by each constituent's degree...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Model Of Solid Phase Extraction

Wednesday, July 31, 2019

Solid phase extraction (SPE), developed in the 1970s, can replace the traditional liquid-liquid extraction in many fields and has been applied more and more widely in the laboratory. The common solvent of SPE Hexane, isooctane, tetrahalide carbon, trihalomethane, dihalomethane, tetrahydrofuran...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Situation Of Pipette Corrosion Piston

Tuesday, July 30, 2019

Pipettes are an indispensable routine in the laboratory. They are used by every researcher, especially in the biological, pharmaceutical, chemical and other industries. The durability and accuracy of the corresponding pipettes are of the utmost concern. Some customers often mention...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
QuEChERS Application Prospects

Tuesday, July 30, 2019

Since its birth, the QuEChERS method has been widely used in pesticide residue analysis due to its unique advantages and characteristics of fast, simple and cheap. Lehotay et al. established a method, which uses the QuEChERS method to treat samples and analyze 229 kinds of pesticides...

Hawach Scientific Co.,Ltd.

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

Tuesday, July 23, 2019

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 201619 Equipment goods
Countstar BioFerm

Friday, July 19, 2019

Automated Yeast Cell Counter Yeast Cell Counting Pitching Yeast Brewing Yeast Product Overview The Countstar® BioFerm Automatic Yeast Counter combines traditional Melanie or Methylene Violet staining with high-resolution imaging and intelligent image recognition for accurate and...

ALIT Life Science Co., Ltd.

  • 201619 - SHANGHAI
  • +8613917721401
Bonded-Phase Chromatography

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
BeDensi B1

Tuesday, July 16, 2019

Bulk Density Tester BeDensi B1 bulk density testing equipment adopts natural deposition method. Its manufacturing standard meets the criterion of GB / T16913.3-1997- Part III: Determination of bulk density. Measurement: Bulk density Testing sample: except for metal powder Technology...

Dandong Bettersize Instruments Ltd.

  • 118009 - Dandong
  • +15 1 41 55 76 96
BeDensi B1-S

Tuesday, July 16, 2019

Bulk Density Meter BeDensi B1-S bulk density meter uses Scott capacity meter method to measure bulk density of various metal powder. Manufacturing standard of BeDensi B1-S bulk density test apparatus meets the criterion of GB / T5060-1985 (ISO 3923/2). Measurement: Bulk density Testing sample...

Dandong Bettersize Instruments Ltd.

  • 118009 - Dandong
  • +15 1 41 55 76 96
BeDensi T Series

Tuesday, July 16, 2019

Tapped Density Meter BeDensi T series Tapped Density Meter Apparatus includes BeDensi T1 (one cylinder), BeDensi T2 (two cylinders) and BeDensi T3 (three cylinders). T2 and T3 can measure Tapped Density for 2 or 3 powder samples simultaneously. BeDensi T series tap density tester...

Dandong Bettersize Instruments Ltd.

  • 118009 - Dandong
  • +15 1 41 55 76 96
BT-Online1

Tuesday, July 16, 2019

Laser Particle Size Analyzer BT-Online1 Online Particle Size Analyzer is an on-line particle size monitoring system for real-time particle size monitoring and control in powder manufacturing industries. Driven by Standard Operation Procedure (SOP), it automatically samples, measures...

Dandong Bettersize Instruments Ltd.

  • 118009 - Dandong
  • +15 1 41 55 76 96
HFlow 1

Tuesday, July 16, 2019

Metal Powder Flowability Tester HFlow-1 tests the flowability of metal powder by measuring whether the sample can flow through the 2.5mm standard funnel. The design and production of HFlow-1 Hall flow meter is based on the Chinese national standard GB / T1482-2010 and international...

Dandong Bettersize Instruments Ltd.

  • 118009 - Dandong
  • +15 1 41 55 76 96
Laser Diffraction

Tuesday, July 16, 2019

Particle size measurement using static light scattering The particle size distribution as a parameter to specify a powder or dispersion plays a central role in many applications. Examples are construction material (sands, cements), pharmaceutical development, lime stones, ceramics...

Dandong Bettersize Instruments Ltd.

  • 118009 - Dandong
  • +15 1 41 55 76 96
China 215300 B2B Services
Cosmetic Packaging Boxes

Tuesday, July 16, 2019

Price : 0.01$-2$

How important is a beautiful cosmetic box: Packaging is used for almost everything in our daily life. Cosmetic box refers to the outer packaging of some cosmetic and skincare products, such as foundation box, lipstick box, shampoo box, hair colorant box, cream box, body care box...

Lihua Group

  • 215300 - Bacheng
  • 023 68661366
Hawach Syringe Filter Brief Introduction

Monday, July 15, 2019

Syringe filters are widely used in laboratories. The users do not need to change membranes and clean filters, which can save complex and time-consuming preparations. It is very convenient and easy to operate. They are mainly used in sample pre-filtration, clarification, degerming of particles...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Method of Cleaning The Solution Of The Sample Vial

Monday, July 15, 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
The Use of Microporous Membrane

Monday, July 15, 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
What are the Advantages and Principles of the SPE Cartridges?

Monday, July 15, 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
How To Prevent Sample Vials Fragmentation

Friday, July 12, 2019

Hawach ensures the accuracy of each sample vial and cap specification, from the initial design to the final photoelectric scanning inspection process, our strict tolerance control throughout the entire manufacturing process. Integrity, cleanliness, and uniformity of a sample vial...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Number of results per page : 6 30 150

Search SAMPLES