Browse Standards
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ๅพฎ็ตๅญๆๆฏ็จ่ดต้ๅฑๆตๆๆต่ฏๆนๆณ ๅบไฝๅซ้ๆตๅฎ
Test methods of precious metals pastes used for microelectronics-Determination of solids content
่ดต้ๅฑ็ต่งฆ็นๆๆๆฅ่งฆ็ต้ป็ๆต้ๆนๆณ
Testing method for contact resistance of precious metals electrical contact materials
่ดต้ๅฑๅๅ ถๅ้ๆๆๅ ไฝๅฐบๅฏธๆต้ๆนๆณ
Geometric size measuring methods of precious metals and their alloy materials
้ฝ้ๅๅญฆๅๆๆนๆณ ้ฝไธญ้ใ้ฌใ้ใ้ฐใ้ใ้ใ้ใ้กใ้ ๅ้้็ๆตๅฎ
Methods for chemical analysis of tantalum and niobium - Determination of iron, chromium, nickel, manganese, titanium, aluminum, copper, tin, lead and zirconium contents in tantalum
้ฝ้ๅๅญฆๅๆๆนๆณ ็ขณ้ๅ็กซ้็ๆตๅฎ
Methods for chemical analysis of tantalum and niobium - Determination of carbon and sulphur contents
้ฝ้ๅๅญฆๅๆๆนๆณ ้ ้ๅ้พ้็ๆตๅฎ
Methods for chemical analysis of tantalum and niobium - Determination of sodium and potassium contents
้ฝ้ๅๅญฆๅๆๆนๆณ ๆฐข้็ๆตๅฎ
Methods for chemical analysis of tantalum and niobium - Determination of hydrogen content
้ฝ้ๅๅญฆๅๆๆนๆณ ๆฐง้็ๆตๅฎ
Methods for chemical analysis of tantalum and niobium - Determination of oxygen content
้ฝ้ๅๅญฆๅๆๆนๆณ ้ฝไธญ็ฃท้็ๆตๅฎ
Methods for chemical analysis of tantalum and niobium - Determination of phosphorus content in tantalum
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ๅ้ไธญ้้็ๆตๅฎ EDTA็ปๅ่ฟๆปดๅฎๆณ
Test method of precious metal alloys - Determination of indium content for gold alloys - Complexometric return titration using EDTA
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ใ้ฏใ้ถๅ้ไธญ้้็ๆตๅฎ ็กซ่ฒๆๅบEDTA็ปๅ่ฟๆปดๅฎๆณ
Test method of precious metal alloys - Determination of copper content for gold, palladium and silver alloys - Complexometric return titration using thiourea releasing EDTA
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ๅ้ไธญ้ฌๅ้้็ๆตๅฎ ็ตๆ่ฆๅ็ญ็ฆปๅญไฝๅๅญๅๅฐๅ ่ฐฑๆณ
Test methods of precious metal alloys - Determination of chromium and iron contents for gold alloys - Inductively coupled plasma atomic emission spectrometry
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ใ้ฏๅ้ไธญ้ฑ้็ๆตๅฎ ็กซ้ ธไบ้็ตๆตๆปดๅฎๆณ
Test method of precious metal alloys - Determination of iridium contents for platinum, palladium alloys - Electricity titration with ferrous sulfate
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ใ้ฏๅ้ไธญ้ถ้็ๆตๅฎ ็ขๅ้พ็ตไฝๆปดๅฎๆณ
Test method of precious metal alloys ๏ผ Determination of silver content for gold and palladium alloys ๏ผ Potentionmeter titration with potassium iodide
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ฏใ้ถๅ้ไธญ้ฏ้็ๆตๅฎ ไบ็ฒๅบไนไบ้่้้ๆณ
Test method of precious metal alloys - Determination of palladium content for palladium and silver alloys - Butanedione dioxime gravimetry
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ใ้ใ้ฏๅ้ไธญ้้็ๆตๅฎ ้ซ้ฐ้ ธ้พ็ตๆตๆปดๅฎๆณ
Test method of precious metal alloys - Determination of platinum content for gold, platinum and palladium alloys - Electricity titration using potassium permanganate
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ถๅ้ไธญ้ถ้็ๆตๅฎ ๆฐฏๅ้ ็ตไฝๆปดๅฎๆณ
Test method of precious metal alloys - Determination of silver contents for silver alloys - Potentionmeter titration with sodium chloride
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ถๅ้ไธญ้ๅ้้็ๆตๅฎ ็ตๆ่ฆๅ็ญ็ฆปๅญไฝๅๅญๅๅฐๅ ่ฐฑๆณ
Test method of precious metal alloys - Determination of vanadium and magnesium contents for silver alloys - Inductively coupled plasma atomic emission spectrometry
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ๅ้ไธญ้ๅ้้็ๆตๅฎ ็ตๆ่ฆๅ็ญ็ฆปๅญไฝๅๅญๅๅฐๅ ่ฐฑๆณ
Test method of precious metal alloys - Determination of zirconium and gadolinium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry
่ดต้ๅฑๅ้ๅๅญฆๅๆๆนๆณ ้ๅ้ไธญ้จ้็ๆตๅฎ ไธๆฐงๅ้จ้้ๆณ
Test method of precious metal alloys - Determination of tungsten contents for platinum alloys - Tungstic acid gravimetry