Tag: Clean lab

Fingerprinting Lead in Bangladesh Turmeric

Some spice processors in Bangladesh use an industrial lead chromate pigment to imbue turmeric with a bright yellow color prized for curries and other traditional dishes, elevating blood lead levels in Bangladeshis. Read more in the Stanford Report.

Turmeric adulteration by lead chromate

The Washington Post highlights Jenna Forsyth’s work on Pb adulteration in turmeric. Lead isotopic measurements were made in the Stanford SIGMA facility and the findings were published in ES&T.

Stanford scientists solve mystery of ancient American lakes

Reduced evaporation played a role in allowing the Pleistocene lakes of the Western United States grow large. Results of uranium and thorium isotopic analyses by graduate student Daniel Ibarra from the Stanford ICP-MS/TIMS facility are published in the Geological Society of America Bulletin. Read More in the Stanford Report