air in neat (no solvent) heating in presence of air in stainless bomb at 150 °C for 2 h toobtain nanospheres or for 1 h to obtain nanopolygons; elem. anal.;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098214', constants.ctx, '0')">hydrogenchloride</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '906771', constants.ctx, '0')">sodium nitrite</a> <br />T=0&deg;C;&nbsp;0.5&nbsp;h;&nbsp;<br /> &nbsp;