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Tagged with elemental-analysis salt
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Cobalt Nitrate Test
As,
$$\ce{ZnCl2 + Na2CO3 -> ZnCO3 + 2 NaCl}$$
$$\ce{ZnCO3 -> ZnO + CO2}$$
$$\ce{Co(NO3)2 -> CoO + 2NO2 +\frac{1}{2}O2}$$
Hence, $\ce{CoO + ZnO -> CoZnO2}$
here, $\ce{Zn_{1-x}Co_xO2}$ (...
- 101
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Which salts give the sodium carbonate bead test?
Apart from the borax and the phosphate bead tests, there's also this one.
It's done by heating the white bead of sodium carbonate and the salt with potassium nitrate; green and yellow colours ...
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