Aqueous Normal Phase ANP can replace HILIC in HPLC and LCMS, with benefits – Tips & Suggestions Read More →
Are the Cogent TYPE-C Silica based stationary phases available for sale as bulk materials – FAQ Read More →
Assuring retention of polar compounds in an Aqueous Normal Phase ANP gradient in positive ion mode LCMS – Tips & Suggestions Read More →
Biological extracts Diamond Hydride columns and LCMS ion source diminished peak height problem – FAQ Read More →
Can Aqueous Normal Phase ANP methods be used to separate steroids with HPLC or LCMS – FAQ Read More →
Can I use a silica or Silica-C guard column with an analytical column of a different phase – FAQ Read More →
Can I use phosphoric acid or sodium phosphate with the Cogent Diamond Hydride HPLC column – FAQ Read More →
Determining Efficiency of HPLC methods comparing 4um v 2.o HPLC columns – Tips & Suggestions Read More →
Direct silicon to carbon bonds on Cogent TYPE-C HPLC columns produce longer column lifetimes Read More →
Eliminate broad split peaks in Aqueous Normal Phase ANP methods and a methanol diluent- Tips & Suggestions Read More →
Glucose pyruvate taurocholic acid gamma glutamylcysteine and other analysis – Tips & Suggestions Read More →
High molecular weight compounds that won’t retain on Cogent Diamond Hydride column try Cogent Bidentate C8 300 – Tips & Suggestions Read More →
How do the terms nano capillary and micro LC differ in terms of column ID and typical flow rates – FAQ Read More →
How often do I need to do the conditioning procedure for a new Diamond Hydride column – FAQ Read More →
How to choose a suitable mobile phase additive for negative ionization mode LCMS – Tips & Suggestions Read More →
How to determine concentration of an impurity in HPLC with the relative response factor RRF – How to Read More →
Is TFA or formic acid better as an acidic mobile phase additive for Cogent TYPE-C columns – FAQ Read More →
Is TYPE-C Silica a high purity support and have a low metal content silica like Type B silica – FAQ Read More →