BMP71 R6000 Series Halogen Free Printer Ribbon (Sold as 2-Pack) Grinders the 5702 R that is

the 5702 R that is a refrigerated model for heat-sensitive samples

The pKa for bicarbonate <-> carbonic acid reaction is 6

tabbed label

Nunc 35x10mm Dish

The shelf life applies whether the indicator is activated or unactivated

BMP71 R6000 Series Halogen Free Printer Ribbon (Sold as 2-Pack) Grinders the 5702 R that isBMP71 R6000 Series Halogen Free Printer Ribbon (Sold as 2 Pack) FORMERLY KNOWN AS: M71 R6000 SOLD AS 2 PACK Product Highlights Ribbon Size: 2 in W x 150 ft L Color: Black For Use with Printer: BMP71 Label Printer Resistance Properties: Abrasion Resistant, Heat Resistant, Solvent Resistant Ribbon Series: R6000 Halogen Free