Browse Standards
4761+ standards in database
4761 result(s) found
้้ๅ้ๅๅญฆๅๆๆนๆณ ็ฌฌ4้จๅ๏ผ้้็ๆตๅฎ ้้ฌ้ ธ้พๅฎน้ๆณ
Chemical analysis methods of dysprosium ferroalloy - Part 4 :Determination of iron content - The Potassium dichromate titrimetry
้้ๅ้ๅๅญฆๅๆๆนๆณ ็ฌฌ3้จๅ๏ผ้ใ้ใ้ใ็ก ใ้ใ้ผใ้จ้็ๆตๅฎ ็ญ็ฆปๅญๅๅฐๅ ่ฐฑๆณ
Chemical analysis methods of dysprosium ferroalloy - Part 3 : Determination of calcium, magnesium, aluminum, silicon, nickel, molybdenum, and tungsten contents - Inductively coupled plasma atomic emission spectrometry
้้ๅ้ๅๅญฆๅๆๆนๆณ ็ฌฌ1้จๅ๏ผ็จๅๆป้็ๆตๅฎ ้้ๆณ
Chemical analysis methods of dysprosium ferroalloy - Part 1 :Determination of total rare earth content - Gravimetry
้ๅ้ๅ้ๅ ๅทฅๆๅคๅฝขๅฐบๅฏธๆฃๆตๆนๆณ ็ฌฌ3้จๅ ๆฟๅธฆๆ
Measuring methods for dimensions and shapes of wrought copper and copper alloys - Part 3: Sheets and strips
้ๅ้ๅ้ๅ ๅทฅๆๅคๅฝขๅฐบๅฏธๆฃๆตๆนๆณ ็ฌฌ2้จๅ ๆฃใ็บฟใๅๆ
Measuring methods for dimensions and shapes of wrought copper and copper alloy - Part 2: Rod๏ผwire and profile
้ๅ้ๅ้ๅ ๅทฅๆๅคๅฝขๅฐบๅฏธๆฃๆตๆนๆณ ็ฌฌ1้จๅ ็ฎกๆ
Measuring method for dimensions and shapes of wrought copper and copper alloy - Part 1: Tube
ๅๅฝข้ๅ้็ๅใๆฐงๅๅคนๆ่ฏ้ชๆนๆณ
Experimental method for flux inclusions and oxide in wrought magnesium alloys
็จๅ้ๅฑๅๅ ถๆฐงๅ็ฉไธญ็จๅๆ่ดจๅๅญฆๅๆๆนๆณ ็ฌฌ15้จๅ๏ผ้ฅไธญ้งใ้ใ้จใ้ใ้ใ้ใ้ใ้ฝใ้ใ้ฌใ้ใ้ฅใ้ฑๅ้้็ๆตๅฎ
Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 15: Lutetium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and yttrium contents
็จๅ็ฒพ็ฟๅๅญฆๅๆๆนๆณ ็ฌฌ9้จๅ๏ผไบๆฐงๅไบ็ฃท้็ๆตๅฎ ็ฃท้้ผ่ๅๅ ๅ ๅบฆๆณ
Chemical analysis methods of rare earth concentrates - Part 9๏ผDetermination of phosphorus pentoxide content - Phosphorus-bismuth-molybdenum blue spectrophotometry
็จๅ็ฒพ็ฟๅๅญฆๅๆๆนๆณ ็ฌฌ8้จๅ๏ผๅไบไธช็จๅๅ ็ด ๆฐงๅ็ฉ้ ๅ้็ๆตๅฎ ็ตๆ่ฆๅ็ญ็ฆปๅญๅๅฐๅ ่ฐฑๆณ
Chemical analysis methods of rare earth concentrates - Part 8: Determination of fifteen rare earth oxide relative contents - Inductively coupled plasma emission spectrometry
็จๅ็ฒพ็ฟๅๅญฆๅๆๆนๆณ ็ฌฌ1้จๅ๏ผ็จๅๆฐงๅ็ฉๆป้็ๆตๅฎ ้้ๆณ
Chemical analysis methods of rare earth concentrates - Part 1๏ผDetermination of total rare earth oxide contents - Gravimetry
็จๅ็ก ้ๅ้ๅ้็ก ้ๅ้ๅๅญฆๅๆๆนๆณ ็ฌฌ5้จๅ๏ผ้้็ๆตๅฎ ็ตๆ่ฆๅ็ญ็ฆปๅญไฝๅๅฐๅ ่ฐฑๆณ
Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy - Part 5: Determination of titanium content - Inductively coupled plasma atomic emission spectrometry
็จๅ็ก ้ๅ้ๅ้็ก ้ๅ้ๅๅญฆๅๆๆนๆณ ็ฌฌ4้จๅ๏ผ็ก ้็ๆตๅฎ
Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy - Part 4: Determination of silicon content
็จๅ็ก ้ๅ้ๅ้็ก ้ๅ้ๅๅญฆๅๆๆนๆณ ็ฌฌ3้จๅ๏ผๆฐงๅ้ๅซ้็ๆตๅฎ ็ตๆ่ฆๅ็ญ็ฆปๅญไฝๅๅฐๅ ่ฐฑๆณ
Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy - Part 3: Determination of magnesia content - Inductively coupled plasma atomic emission spectrometry
็จๅ็ก ้ๅ้ๅ้็ก ้ๅ้ๅๅญฆๅๆๆนๆณ ็ฌฌ2้จๅ๏ผ้ใ้ใ้ฐ้็ๆตๅฎ ็ตๆ่ฆๅ็ญ็ฆปๅญไฝๅๅฐๅ ่ฐฑๆณ
Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy - Part 2: Determination of calcium, magnesium and manganese contents - Inductively coupled plasma atomic emission spectrometry
็จๅ็ก ้ๅ้ๅ้็ก ้ๅ้ๅๅญฆๅๆๆนๆณ ็ฌฌ1้จๅ๏ผ็จๅๆป้็ๆตๅฎ
Chemical analysis methods of rare-earth ferrosilicon alloy and rare-earth ferrosilicon magnesium alloy - Part 1: Determination of total rare earth content
็จๅ้ๅฑๅๅ ถๆฐงๅ็ฉไธญ้็จๅๆ่ดจๅๅญฆๅๆๆนๆณ ็ฌฌ17้จๅ๏ผ็จๅ้ๅฑไธญ้ใ้ฝ้็ๆตๅฎ
Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 17๏ผDetermination of niobium and tantalum contents of rare earth metals
็จๅ้ๅฑๅๅ ถๆฐงๅ็ฉไธญ้็จๅๆ่ดจๅๅญฆๅๆๆนๆณ ็ฌฌ16้จๅ๏ผๆฐ้็ๆตๅฎ ็ฆปๅญ้ๆฉๆง็ตๆๆณ
Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 16: Determination of fluorine content - Ion selective electrode analysis
ๆตท็ปต้ใ้ๅ้ๅ้ๅๅญฆๅๆๆนๆณ ๆฐง้ใๆฐฎ้็ๆตๅฎ
Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of oxygen and nitrogen content
ๆตท็ปต้ใ้ๅ้ๅ้ๅๅญฆๅๆๆนๆณ ็ขณ้็ๆตๅฎ
Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of carbon content