News
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Free Webinar: HPLC Method Development and Validation
You are invited to join our 2.5-hour Free webinar on HPLC method development and validation focusing on the stability-indicating methods in the pharmaceutical analysis of small molecule drugs,” on November... -
Aging of Column
As is known to us all, in the process of gas phase analysis, column is the "heart" of gas chromatograph, and it plays a crucial role in the qualitative and... -
Welch at the Online Trade Fair—Analytica Virtual
On-Demand Online Trade Fair Event Overview In recent months, we have all witnessed how the coronavirus SARS-CoV-2 has posed huge challenges to healthcare systems and economies around the world. To... -
New Product for Pretreatment——SinCHERS
Do you still feel tired about complicated and time-consuming sample preparation? In pursuit of more efficient and faster sample pretreatment, Welch launched a new generation of product- SinCHERS pretreatment purification... -
Notice: Part Numbers Update
Welch Materials is announcing a Part Number update for Ultisil series products, but all the related products will remain the same features. Reason of Update With the expanding of Welch... -
Autumn is coming, please put on clothes for your column
When many analysts operate liquid chromatogram, columns work at room temperature. If the temperature in the laboratory can be kept constant, problem barely occurs. However, most working places’ temperature constantly... -
Flushing and Regeneration of Column Based on Polymer
Introduction of Column Based on Polymer Polymer matrix columns (Sugar-H, Sugar-Ca) may be contaminated, resulting in decreased column efficiency. Thus, flushing and regeneration are required. However, when flushing these columns... -
Poor Peak Shape, and How to Improve It
When the injection volume of test substance within the range of the security, changing injection volume will affect the peak height and peak area accordingly. But the influence of retention... -
Welch Materials, Inc. celebrates 1st year in US Headquarters
September 9, 2020 - New Haven CT USA Welch Materials, Inc. celebrated the one year anniversary of their official opening of the US HQ in West Haven, CT, USA. The... -
New Product Release: Blossmate™ PSV C18
Autumn has chilled the painted screen in candlelight; A palace maid uses a fan to catch fireflies. The steps seem steeped in water when cold grows the night; She sits... -
Welchrom® QuEChERS
QuEChERS(pronounced“catchers" ) stands for Quick, Easy, Cheap, Effective, Rugged and Safe - the qualities that describe this sample preparation method for food substances.The technique is quite simple, involving a minimum... -
How to Select a Suitable Column?
When you look up the pharmacopoeia method, you may find that it only stipulates the bonding phase of column and the information of other columns is not available. Therefore, you...