GC Comsumables

Outline Welch Materials have concentrated on GC R&D and production for many years, and each column would be tested strictly before selling with attached column report. Welch columns are characterized by stable properties, high column efficiency and good reproducibility. Welch Read more…

CPhI China 2020

In the end of 2020, the 20th CPhI China 2020 rounded off. As one of the exhibitors,  we’d like to review the highlight of Welch in this exhibition with you. In spite of the freezing cold in Pudong, Shanghai, the attendees’ enthusiasm poured our booth. During Read more…

Autosampler

Do you still feel tired about complicated and time-consuming autosampler selection? In pursuit of more efficient and faster sample injection, Welch provides preparative autosampler below. Preparative Autosampler Features 277×280×335 mm Switch valve + electric valve + plunger pump mode Electric six-way Read more…

Ultisil ODS-3 Column

Ulisil ODS-3 column is packed with high water-resistance octadecyl reversed-phase packing material. This packingmaterial is strictly endcapped with hydrophilic groups, which brings perfect peaks and low adsorption for both alkalineand acid compounds. The 100% water-resistance packing material avoids the collapse of Read more…