Chromatography Quiz #20

Chromatography Quiz #19 Results

We would like to congratulate our grand prize winners of our last newsletter’s word problem quiz: Joy Gottlieb from New Mexico Department of Health Scientific Lab Division, Helene Lachance from Shur-Gain Nutreco, Narjes Ghafoori from LA County Environmental Toxicology Lab, Tom Schneider from Suffolk County Water Authority, and Hossein Hajipour from Texas Department of State Health Services Environmental Division!  

They have each won and will shortly be receiving: an $80 gift card to!!

We would like to thank all of you for your submissions!

The correct answers to the high pressure word problem:

 [Scenario One, 3.  Scenario Two, 3.  Scenario Three, 1.]

Here is an excellent resource for high pressure troubleshooting, for one-pump and two-pump post-column systems (Restrictor suggestions only applicable to Vector PCX and not Pinnacle PCX):



Thank you!
Pickering Labs

Chromatography Quiz #20: Fun Facts, a Pickering Scavenger Hunt!

To celebrate our twentieth consecutive quiz, we have created a fun scavenger hunt of Michael Pickering factoids!  Answer the five questions correctly and win a prize!  Simply email your answer as well as your full contact information to Rebecca at by September 15th, 2015 in order to win.  You will receive email confirmation that your submission has been received.  Answers to the questions and winner congratulations will be published in the next issue (to be anonymous, please notify Rebecca in submission). 

Hint: Michael Pickering writes the Random Tangents section of our blog!

Fun Facts about Michael Pickering, the Scavenger Hunt

Question One:  Through what organization did Michael first meet Laszlo Torma, our recently retired Director of Technical Relations?

 Question Two: To whom is the famous quote “Chance favors the prepared mind” attributed?

 Question Three: How long was Michael’s train ride from Anchorage to Fairbanks?

 Question Four: What phthalate caused Michael so much consternation both during school and later in a customer’s laboratory?

 Question Five: Michael suggests a recipe using saffron – what is he cooking?