མཛེས་སྡུག་དང་བདེ་ཐང

རིག་གནས་དང་ལོ་རྒྱུས

ཟས་དང་བཏུང་རྫས

ཕྱིར་འཕྲུལ་རིག

སྲོག་མེད

བིལུ་པིརིན་ཊི ༢༨༦ ཡོད

བིལུ་པིརིན་ཊི (༢༨༦)

Charlie གྱིས

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286 ནང་ལས་ 24 སྟོན་དོ།

སྲོག་མེད

བིལུ་པིརིན་ཊི (༢༨༦)

Argon: Air Led over Calcium Carbide and Calcium Chloride at 800 °C (Fischer and Ringe, Thorpe 1912)

Zinc Sulfide Phosphor: Zinc Oxide and Sulfur Fired Twice with Halide Fluxes and a Trace of Copper (Rothschild, US 2,546,239)

Barium Chloride: Witherite Dissolved in Dilute Hydrochloric Acid and Cleared over Excess Carbonate (Thorpe 1912)

Activated Carbon: Pine Sawdust Digested with Zinc Chloride and Phosphoric Acid, Activated at 500 C (McCullough, Darco, US 2,146,024)

Zinc Chloride: Scrap Zinc in Hydrochloric Acid, Cleared with Bleaching Powder and Boiled Down to 230 C (Thorpe 1913)

Graphite Foil: Natural Graphite Soaked in Sulfuric-Nitric Acid, Flashed at 1000 C and Rolled Without Binder (Shane, Union Carbide, US 3,404,061)

Tonoko: Iron Ochre Pulverized for Japanese Lacquer Groundwork (after Rein 1889)

Ammonia Solution of Specific Gravity 0.910: Strong Ammonia Diluted to 24.99 % by Hydrometer (Lunge and Wiernik table, Thorpe 1912)

Selenium from Copper Refinery Slimes Baked with Nitre and Precipitated by Sulfur Dioxide (Betterton and Lebedeff, US 2,378,824)

Neodymium and Praseodymium Oxides: Rare Earths Separated into Coloured Bands on a Bleached Resin Column (Jaffe, US 2,897,050)

Electrolytic Iron: Brown Ferrous Electrolyte, Rotating Cathode at 75-77 °C, Graphite Anodes (Bouchayer, US 1,516,326)

Stannic Chloride: Chlorine over Tin in Stoneware Retorts Kept above 114 °C (Townsend, US 877,261, 1908)

Phosphor-Tin: Sponge Tin and Stick Phosphorus Layered in Charcoal and Heated in a Sealed Crucible (Berthold, US 658,230)

Hydrogen Peroxide 10 %: the 3 % Solution Evaporated in Air at 75 °C, Checked with Permanganate (Thorpe 1912)

Phosphorus Pentachloride: Dry Chlorine Passed over Cooled Phosphorus Trichloride (Thorpe 1912)

Activated Alumina: Aluminium Trihydrate Heated at 350 °C While Hot Air Carries the Steam Away (Derr, Alcoa, US 2,015,593)

Cobalt Molybdate Catalyst: Acid-Washed Alumina Impregnated to 6.5 % Molybdenum and 0.8 % Cobalt, Pelleted (Hoog, Shell, US 2,608,521)

Cobalt Nitrate: Cobalt Oxide Dissolved in Nitric Acid (Thorpe 1912)

Silica-Alumina Cracking Catalyst, 85 % Silica and 15 % Alumina: Water Glass Gelled with Acid, Alumina Precipitated on It (Thomas & Ahlberg, UOP, US 2,285,314)

Aluminium Chloride Hexahydrate: Hydroxide in Strong Hydrochloric Acid, Ether Added, Saturated with Hydrogen Chloride (Thorpe 1912)

Aluminium Hydroxide: Alum Solution Dropped into Ammonia Water (Ure 1839)

Hydrogen Sulfide: Dilute Sulphuric Acid on Ferrous Sulfide, Collected over Hot Water (Thorpe 1912)

Ferrous Sulfide: Iron Filings Heated with Sulphur (Thorpe 1912)

Chloroplatinic Acid: Platinum Dissolved in Aqua Regia, Nitric Acid Driven Off with Hydrochloric Acid (Thorpe 1912)