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Thursday, July 04, 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...

Thursday, July 04, 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...

Thursday, July 04, 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...

Wednesday, July 03, 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...

Tuesday, July 02, 2019

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Tuesday, July 02, 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...

Monday, July 01, 2019

Model No.: CAL5-1.2x1300,CAL5-1.2x1600 Max Coil Width: 4'(1250mm),5'(1550mm) Thickness Range: 0.5-1.2mm Speed: 0-18m/min Shearing Tolerance: ±0.5mm Diagonal Tolerance: ±0.5mm Min.Order Quantity: 1 Set Supply Ability: 10 Sets per Month Port: GUANGZHOU PORT,SHENZHEN PORT Payment Terms...

Monday, July 01, 2019

The aim of flash column chromatography is to separate components from the mixture and purify it. Briefly, flash column chromatography allows samples to be separated through columns filled with gels. Flash column chromatography has been widely used in organic chemistry since its inception...

Monday, July 01, 2019

After selecting the type of SPE cartridges, we have to determine the specifications of the SPE cartridge. The principle of selecting the SPE cartridge specification is to first ensure that the SPE cartridge packing has sufficient capacity to retain the target compound 100% on the column...

Sunday, June 30, 2019

- It adopts imported Mabuchi motor with strong power and stable performance. - CNC integrated carving process, good workmanship, exquisite appearance, smooth and not rough details, wear-resistant, long-term use without deformation. - Ergonomic design and a protected RCA connection...

Sunday, June 30, 2019

The coreless motor with a high quality is powerful and stable. - The pen grip with ball mechanism and adjust the needle accurately. - Ergonomic design and a protected RCA connection. - CNC craft and anodizing makes it good look. - The pen can be separated via unscrew.It is more...

Friday, June 28, 2019

Stationary Phase & Mobile Phase The stationary phase is used to separate the substances, which is packed into HPLC Column directly; Mobile phase is the carrier, which carries the substances into the stationary phase and goes through the stationary phase. It is gas in the vapor phase...

Friday, June 21, 2019

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Friday, June 21, 2019

8300 lumens, 1920*1080 resolution, 0.65-4.7 throw ratio DU8300 is the professional engineering projector. It has 8300 lumens brightness with WUXGA resolution. It supports 2*360 ° vertical and horizontal projection, which can meet the requirements of multi-angle projection. DU8300...

Friday, June 21, 2019

7800 lumens, 1920*1080 resolution, 0.65-4.7 throw ratio laser projector Da00 is the professional engineering projector. It has 7800 lumens brightness with WUXGA resolution. It has five removable lens with 0.65-4.7 throw ratio. It supports 2*360 ° vertical and horizontal projection...

Friday, June 21, 2019

6100 lumens, 1920*1200 resolution, 1.2-2.13 throw ratio laser projector DU6100 has 6100 lumens with 1920*1200 projector resolution. The throw ratio is adopted 1.2-2.13 zoom with the shift lens function. DU6100 has the built-in edge blending function and the 17*17 geometric correction function...

Friday, June 21, 2019

We can always hear such a conversation between those researchers. “Hey, buddy, what is your purity degree of the end products today?” “Damn it. Such a low degree that I cannot even use for the next step. Any better methods for clarifying raw materials?” Then there comes Hawach syringe filter...

Friday, June 21, 2019

Flash chromatographic column, also called rapid chromatographic column(rapid column crossing, which means gradient elution, decompression or pressurization of the column), medium pressure chromatographic column（for example, rapid elution is achieved by pressurizing with nitrogen and...

Friday, June 21, 2019

The cation chromatography column is a kind of high-performance liquid chromatography, which is a liquid chromatography method for analyzing anions and cations. The method has the advantages of good selectivity, sensitivity, rapidity, and simplicity, and can simultaneously measure...

Thursday, June 20, 2019

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Wednesday, June 19, 2019

The most important process of the whole purification is selecting the most suitable Flash column. And now we will talk about the key content of the column: stationary phase. Stationary phase, commonly known as filler, is the most central part of chromatography. When we choose the...

Wednesday, June 19, 2019

Hawach Scientific sorts HPLC out of two series which are Xchroma and Echroma. Xchroma columns possess many and complete types of stationary phase(23 in total) with reliable qualities, while another one is cheaper among lower prices. Essential Technical Parameters Naming Rule It consists...

Wednesday, June 19, 2019

SPE cartridges, with a full name of Solid Phase extraction cartridges, is also called the SPE column( solid phase extraction column). The solid phase extraction column/cartridges is a pretreatment device for the sample being analyzed, which developed from the chromatographic column...

Saturday, June 15, 2019

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Saturday, June 15, 2019

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Saturday, June 15, 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Friday, June 14, 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...

Friday, June 14, 2019

Hawach introduced the properties and application range of HPLC column stationary phase in the silica gel matrix. Silica gel matrix: Silica gel, weakly acidic, has a strong memory, used to separate non-polar, weakly acidic compounds, oils, etc.; C18, a silica-based uncapped reversed-phase...

Thursday, June 13, 2019

NH2 HPLC columns can be used in the positive phase or in the negative phase, but it should be noted that the positive phase solvent and the negative phase solvent are usually not mutually soluble. New NH2 HPLC columns are preserved in the positive phase environment under normal circumstances...

Tuesday, June 11, 2019

Developed in the 1970s, flash column chromatography is the method of isolating and purifying a component from a mixture by passing the sample through the flash column filled with a gel. The inventors of flash column chromatography were using medium pressure chromatography and short...