Analyte retention decreases with mobile phase water content using the Cogent Bidentate C18 HPLC column has anything happened to the column – Tech Information Read More →
Aqueous Normal Phase ANP defined & compared to Reversed Phase & Normal Phase definitions HPLC Read More →
Are there HPLC columns that could be used to separate both polar and nonpolar compounds in a single run – FAQ Read More →
Can I use a silica or Silica-C guard column with an analytical column of a different phase – FAQ Read More →
Eliminating shoulder peaks in an HPLC method using Cogent RP C18 columns – Tips & Suggestions Read More →
For the separation of polar intermediates in reversed phase HPLC which C18 column do you recommend – FAQ Read More →
I see a strange saw tooth type of pattern in the UV baseline using my Cogent HPLC column what is it and how can I fix it – FAQ Read More →
What is the bonded phase of the Cogent PFP HPLC column and for which applications is it used – FAQ Read More →
What is the chemical structure of the ligand in the Cogent DIOL HPLC stationary phase – FAQ Read More →
What is the most effective way to clean HPLC columns after or before use – Tips & Suggestions Read More →
What is the pilot length or dimension X depth for end fittings uses to connect HPLC columns – FAQ Read More →
Why do I see large intermittent pressure spikes in HPLC runs and can it be a defective column – FAQ Read More →
Why does the metal content of a silica particle contribute to the peak shape of my chromatogram in HPLC – FAQ Read More →