September 1878: 1 Ozt. Platinum (Paris: Mkt) = Fr 37.32 (USD$ 7.23)
Citation: Journal de pharmacie et de chimie, 4th Series, Vol 27 April 1878 p.289-90
At the 1878 Paris Exposition Universelle, Dr. Silliman reported seeing an ingot model of Palladium; a mass of the actual metal 65.5 kgs (~2,106 Ozt) worth Fr 260,000.
1878: 1 Troy Oz. Palladium (Paris: Mkt) = Fr 123.46 (USD$ 23.92)
Citation: The Engineer, Vol. 47 (3/38/1879) p.220
Given the known market price as stated for Platinum, the price of refined, pure Iridium may be inferred from a 90/10 Pt/Ir Alloy. Consequently, Iridium was 3.5x the Price of Platinum.
September 1878: 1 Ozt. Platinum (Paris: Mkt) = Fr 37.32 (USD$ 7.23)
October 1878: 1 Ozt. Pt-Ir Alloy (London: Bulk) = Fr 46.66 (USD$ 9.04)
October 1878: 1 Ozt. Iridium (London: Bulk) = Fr 130.64 (USD$ 25.31)
Citation: Procès-verbaux des séances; International Bureau of Weights and Measures
90/10 Pt-Ir alloy
A very comprehensive catalogue of apparatus & reagents, at wholesale prices.
Citation: Journal de pharmacie et de chimie, 4th Series, Vol 27 April 1878 p.289-90
At the 1878 Paris Exposition Universelle, Dr. Silliman reported seeing an ingot model of Palladium; a mass of the actual metal 65.5 kgs (~2,106 Ozt) worth Fr 260,000.
1878: 1 Troy Oz. Palladium (Paris: Mkt) = Fr 123.46 (USD$ 23.92)
Citation: The Engineer, Vol. 47 (3/38/1879) p.220
Given the known market price as stated for Platinum, the price of refined, pure Iridium may be inferred from a 90/10 Pt/Ir Alloy. Consequently, Iridium was 3.5x the Price of Platinum.
September 1878: 1 Ozt. Platinum (Paris: Mkt) = Fr 37.32 (USD$ 7.23)
October 1878: 1 Ozt. Pt-Ir Alloy (London: Bulk) = Fr 46.66 (USD$ 9.04)
October 1878: 1 Ozt. Iridium (London: Bulk) = Fr 130.64 (USD$ 25.31)
Citation: Procès-verbaux des séances; International Bureau of Weights and Measures
90/10 Pt-Ir alloy
A very comprehensive catalogue of apparatus & reagents, at wholesale prices.
1878: 1 Troy Oz. Platinum (Semi-Mfg) = Fr 34.21 (USD$ 6.63)
1878: 1 Troy Oz. Palladium (Refined, Trade) = Fr 139.95 (USD$ 27.12)
1878: 1 Troy Oz. Osmium (Refined, Trade) = Fr 279.90 (USD$ 54.24)
1878: 1 Troy Oz. Iridium (Refined,Trade) = Fr 217.70 (USD$ 42.18)
1878: 1 Troy Oz. Ruthenium (Refined, Trade) = Fr 777.50 (USD$ 150.66)
1878: 1 Troy Oz. Rhodium (Refined,Trade) = Fr 311. (USD$ 60.26)
Citation: Agenda du chimiste à l'usage des ingénieurs: physiciens, chimistes ... (1878)
1878: 1 Ozt. Platinum Chloride (Chemical Salt) = Fr (USD$ )
Citation: Prix Courant de la Maison Billault et Billaudot, p.11 (1878)
1878: 1 Ozt. Platinum Black (Residue) = Fr (USD$ )
Citation: Prix Courant de la Maison Billault et Billaudot, p.14 (1878)
1878: 1 Ozt. Platinum (Mfg.) = Fr 48.65 (USD$ 9.43)
Citation: Prix Courant de la Maison Billault et Billaudot, p.22 (1878)
Citation: Prix Courant de la Maison Billault et Billaudot, p.23 (1878)
Citation: Prix Courant de la Maison Billault et Billaudot, p.25 (1878)
Assuming Oertling's Platinum Weight-Series weighed a total of 4,227.25 g. (135.91 Ozt)
Summer, 1878: 1 Troy Oz. Platinum (Mfg, 4.23 Kgs.) = Fr 73.68 (USD$ 14.26)
Citation: Procès-verbaux des séances; International Bureau of Weights and Measures
International Meter, Standard: 3.25 kg (104.5 Ozt)
c.1878, unknown republished data:
Pre-1878: 1 Troy Oz. "Rhodium"/Iridosmine (ore) ~ Fr 684. (USD$ 143.)
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