【国外标准】 Standard Test Methods for Chemical Analysis of Titanium and Titanium Alloys (Withdrawn 2003)

1.1 These test methods cover procedures for the chemical analysis of titanium and titanium alloys containing the following elements in the concentration ranges listed: Element Concentration Range, % Aluminum 1 to 10 Chloride 0.02 to 1.0 Chromium 0.005 to 20 Columbium 0.25 to 5.0 Copper 0.001 to 1.1 Iron 0.005 to 20 Magnesium 0.02 to 1.0 Manganese 0.005 to 20 Molybdenum 0.005 to 5 Nitrogen 0.005 to 0.20 Oxygen 0.03 to 0.50 Palladium 0.10 to 0.25 Silicon 0.005 to 5.0 Tantalum 0.25 to 5.0 Tin 0.25 to 10 Tungsten 0.005 to 1.0 Vanadium 0.5 to 20 Zirconium 1.0 to 20 1.2 The test methods in this standard are contained in the sections indicated as follows: Sections Aluminum: 8-Quinolinol (Gravimetric) Test Method 2 8 to 14 Chloride by the Gravimetric Test Method 2 15 to 22 Copper: Cuprizone (Photometric) Test Method 23 to 32 Diethyldithiocarbamate (Photometric) Test Method 33 to 42 Manganese: Periodate (Photometric) Test Method 43 to 52 Molybdenum Thiocyanate-Extraction (Photometric) Test Method 53 to 62 Thiocyanate 2-(2-Butoxyethoxy) Ethanol (Photometric) Test Method 63 to 72 Nitrogen by the Distillation-Titration Test Method 2 73 to 80 Palladium by the 1-Nitroso-2-Naphthol (Photometric) Test 81 to 90 Method Vanadium by the Potassium Permanganate (Titrimetric) Test 91 to 97 Method Zirconium by the Mandelic Acid (Gravimetric) Test Method 98 to 104 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.