The National Academies Press

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Collection of detailed radiochemical procedures
Pages 25-43

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From page 25... ... . Type of procedure: Carrier free Target material: Ge metal Radioactivity production method: 19 MeV deuterons Purification method: Distillation of Approx. Read the entire page →
From page 26... ... On last distillation add 50 mg Ge carrier to ensure a complete removal of radioactive Ge. Read the entire page →
From page 27... ... Add 10 ml conc. HC1 and distil all but 5 ml in a chlorine stream into 5 ml water in an ice bath. Read the entire page →
From page 28... ... Transfer to glass still and add 10 mg each of Te, Sb and Sn carriers. Add 10 ml conc. Read the entire page →
From page 29... ... sodium arsenite solution containing 10 mg As/ml and wash this, together with a few drops of H202 solution through the dropping funnel into the flask. Warm gently and add gradually via the dropping funnel 10 ml. Read the entire page →
From page 30... ... Reduce volume to ~ 2 ml by boiling and add a mixture of 10 ml conc. HC1 + 5 ml 30% K^C^ which is freely evolving chlorine. Read the entire page →
From page 31... ... Add 10 ml conc. Read the entire page →
From page 32... ... . Type of procedure: With carrier Target material: Tungsten metal + trace As Radioactivity production method: Reactor neutrons Purification method: Distillation of AsC1j Approx. Read the entire page →
From page 33... ... Metals, alloys, fine chemicals, or other solid materials Transfer to 60 ml distilling flask and pipette in 2 ml standard As carrier solution. Add 25 ml conc. Read the entire page →
From page 34... ... NH^OH. Add 10 ml conc. Read the entire page →
From page 35... ... 2. Place 20 ml conc. Read the entire page →
From page 36... ... chemical yield: Time taken for purification: Decontamination: With carrier Biological tissue + trace As Reactor neutrons Evolution of AsHj Not given Not given Not given 1. Wash digested sample into 200ml. Read the entire page →
From page 37... ... HC1 + 0.5 ml conc. HN03 + 1.0 ml HC104, heat in water bath 5 m and then to strong fumes. Read the entire page →
From page 38... ... . Type of Procedure: With carrier Target material: Fissile material Radioactivity production method: Reactor neutrons Purification method: Evolution of AsHj Approx. Read the entire page →
From page 39... ... REFERENCES 1. Sneed, M Read the entire page →
From page 42... ... .' :'ff 1 f ~ ' Read the entire page →
From page 43... ... l965$1.00 Silicon, NAS-NS-3049, $0.50 Silver, NAS-NS-3047, $0.75 Sodium, NAS-NS-3055, $0.50 Sulfur, NAS-NS-3054, $0.50 Technetium, NAS-NS-3021, $0.50 Tellurium, NAS-NS-3038, $0.50 Thorium, NAS-NS-3004, $0.75 Tin, NAS-NS-3023, $0.75 Titanium, NAS-NS-3034, $0.50 Transcurium Elements, NAS-NS-3031, $0.50 Tungsten, NAS-NS-3042, $0.50 Uranium, NAS-NS-3050, $3.50 Vanadium, NAS-NS-3022, $0.75 Zinc, NAS-NS-3015, $0.75 Zirconium and Hafnium, NAS-NS-3011, $0.50 Applications of Computers to Nuclear and Radiochemistry, NAS-NS-3107, $2.50 Application of Distillation Techniques to Radiochemical Separations, NAS-NS3108, $0.50 Detection and Measurement of Nuclear Radiation, NAS-NS-3105, $1.50 Liquid-liquid Extraction with Highmolecular-weight Amines, NAS-NS3101, $1.00 Low-level Radiochemical Separations, NASNS-3103, $0.50 Paper Chromatographic and Electromigration Techniques in Radiochemistry, NASNS-3106, $0.50 Rapid Radiochemical Separations, NAS-NS3104, $1.25 Separations by Solvent Extraction with Trin-octylphosphlne Oxide, NAS-NS-3102, $0.75 Read the entire page →

From page 25...

... . Type of procedure: Carrier free Target material: Ge metal Radioactivity production method: 19 MeV deuterons Purification method: Distillation of Approx.

Collection of detailed radiochemical procedures Pages 25-43

Collection of detailed radiochemical procedures
Pages 25-43