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NOW IN A NEW 1-LB PATENTED FUNCTIONAL CONTAINER WITH A CONTROLLED
DELIVERY CLOSURE
This new patented container is made of "Marlex" polyethylene. In addition to controlled drop or flow action, the container sucks back H F remaining on the delivery spout. Specify Mallinckrodt Acid Hydrofluoric 48% A.R. . . . manufactured in a new plant supplying you with the highest quality, laboratory-reagent-grade H F available.
4. Indicating label turns from blue to orange if liquid HF touches it ®
2640
Mallinckrodt
*Remember . . . for safety, convenience and economy Mallinckrodt provides H F in the 1-lb. container illustrated . . . and in 10-LB S I N G L E - T R I P 5. Also in 10-lb., " M A R L E X " polyethylene containers.
Another example of Superior Mallinckrodt ORDER
ACID HYDROFLUORIC 48% HF ANALYTICAL REAGENT
®
AR
2.
Liquid level always visible through translucent container
FROM
YOUR
no-deposit, single-trip container
Packaging AR
DISTRIBUTOR
Mallinckrodt®
MALLINCKRODT CHEMICAL WORKS ST. LOUIS · NEW YORK · MONTREAL For further information, circle number 23 A on Readers' Service Card, page 101 A
