2 Improved MathJax. edited Oct 31 '15 at 0:07 Jan 50.5k77 gold badges128128 silver badges272272 bronze badges I think cuppellate is a foreign word meaning "burn" essentially. The basic technique would be to have the iron sample in a small ceramic boat which is put into a hot stream of $$O_{2}$$$$\ce{O2}$$ so the iron and carbon both oxidize. The iron oxide stays in the boat, and the $$CO_{2}$$$$\ce{CO2}$$ is sweep away and trapped/reacted somehow. We talking small samples 10 grams perhaps. If you try to dissolve the steel in an acid solution then the $$CO_{2}$$$$\ce{CO2}$$ gas is formed in solution. It is really hard to get a small amount of $$CO_{2}$$$$\ce{CO2}$$ out of solution given that you are starting with a small amount to begin with. Also if you try to scale up such a reaction it gets to be a problem. A $$2 cm^3$$$$2~\mathrm{cm^3}$$ block of iron takes a long time to dissolve in acid. So choosing the analytical method depends on a lot of factors. Time per sample, sensitivity, and overall cost being the main ones. I think cuppellate is a foreign word meaning "burn" essentially. The basic technique would be to have the iron sample in a small ceramic boat which is put into a hot stream of $$O_{2}$$ so the iron and carbon both oxidize. The iron oxide stays in the boat, and the $$CO_{2}$$ is sweep away and trapped/reacted somehow. We talking small samples 10 grams perhaps. If you try to dissolve the steel in an acid solution then the $$CO_{2}$$ gas is formed in solution. It is really hard to get a small amount of $$CO_{2}$$ out of solution given that you are starting with a small amount to begin with. Also if you try to scale up such a reaction it gets to be a problem. A $$2 cm^3$$ block of iron takes a long time to dissolve in acid. So choosing the analytical method depends on a lot of factors. Time per sample, sensitivity, and overall cost being the main ones. I think cuppellate is a foreign word meaning "burn" essentially. The basic technique would be to have the iron sample in a small ceramic boat which is put into a hot stream of $$\ce{O2}$$ so the iron and carbon both oxidize. The iron oxide stays in the boat, and the $$\ce{CO2}$$ is sweep away and trapped/reacted somehow. We talking small samples 10 grams perhaps. If you try to dissolve the steel in an acid solution then the $$\ce{CO2}$$ gas is formed in solution. It is really hard to get a small amount of $$\ce{CO2}$$ out of solution given that you are starting with a small amount to begin with. Also if you try to scale up such a reaction it gets to be a problem. A $$2~\mathrm{cm^3}$$ block of iron takes a long time to dissolve in acid. So choosing the analytical method depends on a lot of factors. Time per sample, sensitivity, and overall cost being the main ones. 1 answered Oct 30 '15 at 23:07 MaxW 16.7k22 gold badges2323 silver badges6464 bronze badges I think cuppellate is a foreign word meaning "burn" essentially. The basic technique would be to have the iron sample in a small ceramic boat which is put into a hot stream of $$O_{2}$$ so the iron and carbon both oxidize. The iron oxide stays in the boat, and the $$CO_{2}$$ is sweep away and trapped/reacted somehow. We talking small samples 10 grams perhaps. If you try to dissolve the steel in an acid solution then the $$CO_{2}$$ gas is formed in solution. It is really hard to get a small amount of $$CO_{2}$$ out of solution given that you are starting with a small amount to begin with. Also if you try to scale up such a reaction it gets to be a problem. A $$2 cm^3$$ block of iron takes a long time to dissolve in acid. So choosing the analytical method depends on a lot of factors. Time per sample, sensitivity, and overall cost being the main ones.