Sadegh Hazrati

3 Questions 4 Answers 0 Followers

Questions related from Sadegh Hazrati

Can I use a known concentration of BTEX inside a bottle of 0.5 liter to calibrate SPME or I do need a continuous and constant concentration?

I am planning to make different SPME passive sampler and calibrate them before using in indoor environments. To do so, first I need constant and known concentration of BTEX. I can easily do that...

03 March 2015 5,322 12 View

What is the optimum fraction of project fund that should be devoted to health and safety measures in a construction project?

What am I looking for is relative importance of health and safety expenditure in a construction project in different countries. Who is responsible for making sure that this allocation is spent for...

01 January 2014 1,628 0 View

What are the disadvantages of using simple calibration curve in quantitative analysis by GC/FID?

What are the disadvantages of using simple calibration curve (i.e. plotting standard concentrations against peak area for each batch of sample run) compared to external or internal standard...

12 December 2013 3,412 23 View