The standardized uptake value (SUV) is a nuclear medicine term, used in positron emission tomography (PET) as well as in modern calibrated Single Photon Emission Tomography (SPECT) imaging for a (semi)quantitative analysis.[1] Its use is particularly common in the analysis of [18F]fluorodeoxyglucose ([18F]FDG) images of cancer patients.
As you know tums tablets are mainly made of calcium carbonate. To get calcium carbonate, mining or quarrying is required but pure calcium carbonate can be made from a pure quarried source such as marble, etc.
Best Answer: Tums' active ingredient is Calcium Carbonate 500 mg in Regular Tums 750 mg in Ultra Tums 1000mg in Ultra Tums Rolaids' active ingredients are Calcium Carbonate AND Magnesium Hydroxide.