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Topic: carbonates from nitrates  (Read 6926 times)

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Edward05

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carbonates from nitrates
« on: August 09, 2005, 09:44:01 PM »
Need to make carbonates from nitrate salts of metals(Ca, K,Na).  Should I just bubble CO2 gas trough a sintered glass tube  below the surface of the solution? Will it turn into a "rock" and if so, how to prevent? By Constant swirling? Thanks!
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Offline Donaldson Tan

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Re:carbonates from nitrates
« Reply #1 on: August 09, 2005, 10:04:13 PM »
bubbling carbon dioxide will not convert the nitrate salts to carbonates.

introducing carbonate solution to aq. calcium nitrate will produce calcium carbonate.

however. potassium carbonate and sodium carbonate are water-soluble. they will not be precipitated in aqueous system.
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Edward05

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Re:carbonates from nitrates
« Reply #2 on: August 12, 2005, 10:02:47 PM »
do you have any suggestions for which carbonates I should use without contaminating the calcium solution? Thank you
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Offline Donaldson Tan

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Re:carbonates from nitrates
« Reply #3 on: August 12, 2005, 11:27:13 PM »
Quote from: Edward05 on August 12, 2005, 10:02:47 PM
do you have any suggestions for which carbonates I should use without contaminating the calcium solution? Thank you

what do you mean by "contaminating the calcium solution"? please clarify.
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"Say you're in a [chemical] plant and there's a snake on the floor. What are you going to do? Call a consultant? Get a meeting together to talk about which color is the snake? Employees should do one thing: walk over there and you step on the friggin� snake." - Jean-Pierre Garnier, CEO of Glaxosmithkline, June 2006
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