Chang-Er Chen

5 Questions 14 Answers 0 Followers

Questions related from Chang-Er Chen

How do I use the autotune function in Masslynx?

I saw there is a function - autotune in the tune page of the masslynx. but when I try to use it for my chemicals, every time I got a message says 'no ion beam found'. But I did saw the ion beam at...

01 January 2015 6,038 0 View

Why are there two peaks on the chromatogram for one ion?

I injected BPA and estrogens, and used a 100mm column to separate them. Detected by MS in sim mode. Then I found out, for example: for BPA, there are two peaks: normal peak as expected with small...

12 December 2014 9,722 12 View

How can I load XAD in some silico like PDMS?

I am going to make a binding phase with PDMS but loading some XAD resin in to it. Any idea how can I do this in order to make a evenly distributed film? Thanks.

09 September 2014 6,197 2 View

What could cause the absence of a clear peak for some Personal Care products on MS with infusion or FIA?

We are currently working on some personal care products with LC-MS (single quad). We can observe a nice peak for Bisphenol A (BPA) with direct infusion or FIA (like for 200ppb). However, when we...

11 November 2013 7,322 5 View

Is it difficult to make molecular imprint polymers for target chemicals?

As the title

11 November 2012 4,727 6 View