I have IrCl3.xH2O salt, but most papers have used H2IrCl6 for synthesis.
Has anyone had any experience with this?
Haideh Balali Dehkordi
Solubility of iridium salt may be the reason. Sometimes chlorides are better soluble in water after addition of acid (HCl) and formation of complex (which is in this case H2IrCl6). You can simply obtain H2IrCl6 from IrCl3 this way.
dear Anna Jakimińska thanks for your reply. Based on your explanation, these two salts are not different as base synthesis and only nitric acid should be used in synthesis IrCl3.xH2O. it's true? Does your explanation have a reference or is it your own experience?
the reference of my synthesis method is based on the alkaline media:" The supported (50 wt%) IrO 2 and IrRuO x catalysts were synthe- sized by hydrolysis of their chlorides in alkaline media. On one hand, the required amounts of IrCl 3 ·x H 2 O (99.9%, Alfa Aesar) and protonated titanates were dispersed in 150 mL of ultrapure water (150 mL water per each 100 mg of the material) and soni- cated for 30 min. The pH was adjusted to 12 with 1.0 mol dm −3 NaOH and the mixture was stirred at 80 °C for 2 h. At the end the pH was adjusted to 8 with 0.10 mol dm −3 HNO 3 (ultrapure, Schar- lab) followed by additional 30 min stirring. The product was fil- tered and washed with ultrapure water,..."
Haideh Balali Dehkordi
It is my experience - I made such complexes with other chlorides for my research. Not nitric but hydrochloric acid should be used when you want to obtain H2IrCl6.
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