Method for preparing potassium trichloroplatinate by ultrasonic method
A technology of potassium trichloro-ammineplatinate and ultrasonic method, applied in chemical instruments and methods, ruthenium/rhodium/palladium/osmium/iridium/platinum compounds, inorganic chemistry, etc., can solve the problems of low direct yield, To achieve the effect of improving the direct yield
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Embodiment 1
[0044] 10 g of potassium chloroplatinite was ball-milled at 200 rpm for 10 min, and soaked in 200 mL of HCl at 80 °C for 10 min. Filter and dissolve the pretreated potassium chloroplatinite in 110 mL of water. The potassium chloroplatinite aqueous solution was placed in a 250 W ultrasonic field and vibrated for 10 min, heated to 60 °C during the oscillation, and 25 mL of 20% ammonium acetate aqueous solution was added to raise the system temperature to 100 °C. Continue to vibrate for 20 min, and filter to obtain potassium trichloro-ammineplatinate. Add 2.5 g Pt(NH 3 ) 4 Cl 2 , generating [Pt(NH 3 ) 4 ][PtCl 4 ] precipitated, filtered and dried at 80°C. Then mix it with an equimolar amount of potassium chloroplatinite, grind until green, dissolve in cold water, and grind again. Afterwards, the product trichloro-ammonia potassium platinumate is bottled and tested.
[0045] Results: The direct yield of potassium trichloro-ammineplatinate was 71.5%; the total yield of pot...
Embodiment 2
[0047] 8 g of potassium chloroplatinite was ball-milled at 230 rpm for 12 min, and soaked in 150 mL of HCl at 85 °C for 12 min. Filter and dissolve the pretreated potassium chloroplatinite in 100 mL of water. The potassium chloroplatinite aqueous solution was placed in a 280 W ultrasonic field and vibrated for 10 min, heated to 70 °C during the oscillation, and 20 mL of 20% ammonium acetate aqueous solution was added to raise the system temperature to 110 °C. Continue to vibrate for 25 min, and filter to obtain potassium trichloro-ammineplatinate. Add 2 g Pt(NH 3 ) 4 Cl 2 , generating [Pt(NH 3 ) 4 ][PtCl 4 ] precipitated, filtered and dried at 90°C. Then mix it with an equimolar amount of potassium chloroplatinite, grind until green, dissolve in cold water, and grind again. Afterwards, the product trichloro-ammonia potassium platinumate is bottled and tested.
[0048] Results: The direct yield of potassium trichloro-ammineplatinate was 73%; the total yield of potassiu...
Embodiment 3
[0050]20 g of potassium chloroplatinite was ball-milled at 250 rpm for 15 min, and soaked in 250 mL of HCl at 95 °C for 15 min. Filter and dissolve the pretreated potassium chloroplatinite in 150 mL of water. The potassium chloroplatinite aqueous solution was shaken in a 300 W ultrasonic field for 15 min, heated to 75 °C during the shaking, and 45 mL of 25% ammonium acetate aqueous solution was added to raise the system temperature to 120 °C. Continue to vibrate for 30 min, and filter to obtain potassium trichloro-ammineplatinate. Add 1.8 g Pt(NH 3 ) 4 Cl 2 , generating [Pt(NH 3 ) 4 ][PtCl 4 ] precipitated, filtered and dried at 90°C. Then mix it with an equimolar amount of potassium chloroplatinite, grind until green, dissolve in cold water, and grind again. Afterwards, the product trichloro-ammonia potassium platinumate is bottled and tested.
[0051] Results: The direct yield of potassium trichloro-ammineplatinate was 75%; the total yield of potassium trichloro-amm...
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