1 Slate can start as low as $1-$3 a square foot for basic floor tiles. 2  Depending on size, finish, thickness and color, higher quality slate tiles can cost $4-$10 a square foot, while mosaics and other specialty tiles (usually used as accents) can be $8-$35 a square foot for just the tiles. Slate sealer costs $10-$30 a gallon. 2  For a shiny or matte finish or if the slate is relatively porous (tending to stain), the slate should be sealed before and after installation, and then every one to two years, depending on the amount of traffic and wear on the floor.
Save. Amylase and lipase are digestive enzymes produced by the pancreas. Amylase and lipase tests are used to distinguish acute appendicitis from acute pancreatitis. Both tests are done on blood, but amylase may also be tested from a urine sample.
A lipase test measures the amount of this enzyme in a blood sample. High amounts of lipase may be found in the blood when the pancreas is damaged or when the tube leading from the pancreas (pancreatic duct) to the beginning of the small intestine is blocked. Why It Is Done. A lipase test is done to: Check for pancreatitis and other diseases of the pancreas.