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Keystone Analytical

Accreditation verified

Keystone Analytical, Inc.

Minneapolis, MN, US10โ€“17 days4.5 (22 reviews) Website
ISO 17025GLPCAP Accepts NDAInternational samples

About

Keystone Analytical provides accredited analytical testing across packaging, environmental.

Industries served

PackagingEnvironmental

Test categories

ContaminantsHeavy metalsLabel claimIdentity/purityMicrobiologyPackaging barrier

Methods

Microbial enumerationGC-MS volatile profileKarl Fischer moisturePathogen screen (Salmonella, Listeria, E. coli)WVTR (water vapor transmission rate)HPLC potency / assaySeal strengthProp 65 panelICP-MS heavy metals (Pb, As, Cd, Hg)

Equipment

HPLC FTIR TGA

Reviews

Reliable partner

Good communication and solid documentation.

Solid turnaround

Hit the promised timeline and the report was easy to read.