pickering laboratories

Chromatography Quiz #40 – Trivia for Pickering’s 40 Year Anniversary (multiple choice)

Announcing our Winners!

Pickering Labs would like to congratulate the winners for our previous newsletter’s Chromatography Quiz:

Jim Balk from Nebraska Public Health Environmental Lab, Mike Klimas from Chromatographic Specialties, Tom Schneider from Suffolk County Water Authority, Narjes Ghafoori from Los Angeles County Public Health Laboratory, Josiah Hakala from Minnesota Department of Health, Jay Phoenix from Chromatographic Specialties and Chantale Parent from Chromatographic Specialties. 

Winners have already received an Autumn Mornings Gift Basket! Filled with cozy bakery favorites!

Congratulations to our quiz winners!  Thank you all for your submissions!

Answer to Quiz #40:

Trivia for Pickering’s 40 Year Anniversary (multiple choice)

  1. When did Pickering Labs move to Space Park Way?
    1. 1998
    2. 1999
    3. 2000
    4. 2001
  2. Michael Pickering was granted a United States trademark for the name_________.
    1. Thiofluor
    2. Mycotox
    3. Trione
    4. Restore
  3. Which of the following was the first “product testing solution” produced by Pickering Labs?
    1. Saliva
    2. Lung Fluid
    3. Urine
    4. Perspiration
  4. Pickering Laboratories won the AOAC Single Laboratory Validation Method of the Year for the following method:
    1. Amino Acids
    2. Ionophores
    3. Cannabinoids
    4. Mycotoxins
  5. Michael Pickering was issued a United States Patent for the following product:
    1. Thiofluor reagent
    2. Ninhydrin reagent
    3. Restore solution
    4. Vanillin reagent
  6. Which post-column system was introduced in the year 2006 as the lower cost option similar to the PCX 5200?
    1. Vector PCX
    2. Pinnacle PCX
    3. CRX400
    4. Onyx PCX
  7. Which year did Pickering move to their current location at 1280 Space Park Way?
    1. 1997
    2. 1998
    3. 1999
    4. 2000
  8. Which year was the Onyx PCX introduced?
    1. 2018
    2. 2019
    3. 2020
    4. 2021
  9. Our Eccrine Perspiration solution was first developed by the request from ______.
    1. Crime and Punishment
    2. Crime Sciences Inc.
    3. Crime Scene Investigation
    4. True Detective
  10. Pickering has been supporting the scientific community for nearly 30 years by continuously exhibiting at the following Conference:
    1. ACS
    2. AOAC International
    3. Florida Pesticide Residue Workshop
    4. Pittcon

Chromatography Quiz #41 – Amino Acids Baseline Noise

What is causing the baseline issues illustrated in the chromatograms below? Pink is a normal chromatogram for comparison.

Submit your answers to rsmith@pickeringlabs.com by Friday Feb 24th, 2023.