Chloroplatinic-acid-crystal-CPA
Chloroplatinic acid crystal (CPA)
Appearance
Orange- red crystalline aggregates
Metal content
39.00 – 40.50 % w/w platinum
Chloride
39.00 – 47.00 % w/w OSB
Insolubles
In water - 0.01 % w/w maximum
In n-pentanol - 0.01 % w/w maximum
In 2-propanol* - 0.01 % w/w maximum
*at a concentration of 168 g Pt / L
Impurities
All figures are w/w with respect to platinum:
Precious metals (Rh, Ir, Pd, Os, Ru, Au, Ag) – total 250 ppm maximum, 100ppm each.
Alkali metals (Na, K) – total 200 ppm maximum.
Base metals (Al, Ba, Ca, Cu, Fe, Mg, Ni, Si) - total 500 ppm maximum, 200ppm each.
Others – total 100 ppm, 50 ppm each
Precious metals
Rh, Ir, Pd, Os, Ru, Au, Ag Individual - 100 ppm maximum*
Total 250 ppm maximum
Alkali metals
Na, K Total - 200 ppm maximum**
Base metals
Al, Ba, Ca, Cu, Fe, Mg, Ni, Si - Individual 200 ppm max.
Total 500 ppm max.
Others individual
50 ppm maximum
Total 100 ppm maximum
Get in touch
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Sondra Morris
Americas
+1 856 384 7000
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Nicholas D'Alessandro
Americas
+1 856 579 1318
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Frank Jia
China
+86 15801067766
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Steve Tam
Asia
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