10A
ANALYTICAL
CHEMISTRY
sunlight, month after month
Silver Nitrate's traditional sensitivity to light is not inherent. It arises from various impurities. The purest Silver Nitrate, expertly made and carefully handled, withstands prolonged sunlight. Lot after lot—not' sometimes but always—Mallinckrodt Silver Nitrate A.R. withstands sunlight. It is consistently the fine reagent ACS specifications require. Like all Mallinckrodt Analytical Reagents, Silver Nitrate A.R. assures you of the utmost Uniform Dependable Purity. ^ALWAYS
SPECIFY
MALLINCKRODT
REAGENTS
IN ORIGINAL
PACKAGES
82 Years of Service to Chemical Users
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