Kamil Filip Trzebuniak

6 Questions 19 Answers 0 Followers

Questions related from Kamil Filip Trzebuniak

Is separation of porphyrins on a hypercarb (PGC) column possible?

Hello, I am struggling with separation of porphyrins (i.e. 5,10,15,20-Tetrakis(pentafluorophenyl)porphyrin, protochlorophyllide, chlorophyll a and b) using a hypercarb (porous graphite carbon)...

01 January 2019 375 4 View

What is the practical difference between ODS-A and ODS-B in Teknochroma Tracer Excel HPLC columns?

Does someone have any practical experience with those columns?The producer suggest ODS-B are more suitable for hydrophilic analytes, but without any concrete information.Can they be used...

05 May 2017 7,853 4 View

Protocol for norflurazon detection in plants?

I am unable to find a protocol for norflurazon detection in plant tissue. I have only encountered works concerning quantification of norflurazon in soil samples (Essington et al., Comun. soil....

11 November 2016 2,850 5 View

Simple spectrophotometric method for carotenoid content determination?

HelloI'm looking for a simple spectrophotometric method for total carotenoid content estimation in different solvents (i.e. methanol, acetonitrile, acetone, dichloromethane and combinations of...

07 July 2016 3,004 3 View

Does anybody have the manual for JASCO PU-2089 Plus Quaternary HPLC Pump system?

I have inherited the JASCO PU-2089 Plus Quaternary HPLC, unfortunately without the manual. Does anybody have it in the pdf format and could share?

10 October 2015 2,898 3 View

Will dextranase EC 3.2.1.11 hydrolyse DEAE-dextran or dextran sulfate?

We are working on dextran quantification in urine samples using HPLC-MS. Our first step is dextran hydrolysis using a dextranase (EC 3.2.1.11) from Penicillium sp. We need a method to control...

08 August 2013 5,268 4 View