Kar-Weng Chan

4 Questions 7 Answers 0 Followers

Questions related from Kar-Weng Chan

Can anyone explain reason for HPLC column back pressure and RT shift?

I recently observed the shift of the whole profile little by little due to the passage of time / long term use of the column. In 2 weeks, the shift became 0.4min much later and the back pressure...

03 March 2016 9,706 4 View

LOD for drugs in liquid products?

Any data on the concentrations of common drugs in vape, shisha, drinks?

01 January 2016 6,207 2 View

English language Teachers: Survey on SEXISM in Year 6 exam papers?

I cordially invite all English language teachers/educators to take part in my survey on SEXISM found in the Malaysian Year 6 Exam papers. I appreciate your time. Click or Copy/past this...

01 January 2015 7,771 2 View

What's your perception of teachers' rights and your knowledge about this issue?

Can educators share your views on teachers' rights by giving your 1. personal thoughts and 2. theoretical knowledge in this area? TQ

01 January 2013 7,223 1 View