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้ๅๅญฆๅๆๆนๆณ ้ถใ้ใ้ใ้ ใ้ใ้ใ้ฏใ้ใ้ใ้ฐๅ้ฌ้็ๆตๅฎ ไน้ ธไน้ ฏ่ๅ-็ตๆ่ฆๅ็ญ็ฆปๅญไฝๅๅญๅๅฐๅ ่ฐฑๆณ
Method for chemical analysis of gold - Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium content - Ethyl acetate extration-inductively coupled plasma - Atomic emission spectrometry
้ๅๅญฆๅๆๆนๆณ ้ถใ้ใ้ใ้ ใ้ใ้ใ้ฏใ้ใ้กใ้ใ้ฐๅ้ฌ้็ๆตๅฎ ็ซ่ฑๅๅญๅๅฐๅ ่ฐฑๆณ
Methods for chemical analysis of gold - Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, nickel, manganese and chromium contents - Spark atomic emission spectrometry
้ๅๅญฆๅๆๆนๆณ ้ใ้ใ้ฐๅ้ฏ้็ๆตๅฎ ็ซ็ฐๅๅญๅธๆถๅ ่ฐฑๆณ
Methods for chemical analysis of gold - Determination of magnesium, nickel, manganese, palladium contents - Flame atomic absorption spectrometry
้ๅๅญฆๅๆๆนๆณ ็ก ้็ๆตๅฎ ้ผ่ๅๅ ๅ ๅบฆๆณ
Methods for chemical analysis of gold - Determination of silicon content - Molybdenum blue spectrophotometry
้้้ๆฐงๅ็ฉ
Yttrium-europium-gadolinium oxide
้ง้้ฝๆฐงๅ็ฉ
Lanthanum-cerium-terbium oxide
ๆฐๅ้จ้
Praseodymium-neodymium fluoride
่้ ธ้
Gadolinium oxalate
้้็กผๅบๆ
Scraps of neodymium iron boron
่งๅ ็บงๆฐงๅ้้
Yttrium-europium oxide-phosphor grade
็ง็ป้้็กผๆฐธ็ฃๆๆ
Materials for sintered neodymium iron boron permanent magnets
ๆฐงๅ้ฝ
Terbium oxide
็ฝๅ LED็ฏ็จ็จๅ้ป่ฒ่งๅ ็ฒ่ฏ้ชๆนๆณ ็ฌฌ6้จๅ๏ผ็ตๅฏผ็็ๆตๅฎ
Test methods of rare earth yellow phosphor for white LED lamps - Part 6: Determination of conductivity
็ฝๅ LED็ฏ็จ็จๅ้ป่ฒ่งๅ ็ฒ่ฏ้ชๆนๆณ ็ฌฌ5้จๅ๏ผpHๅผ็ๆตๅฎ
Test methods of rare earth yellow phosphor for white LED lamps - Part 5: Determination of pH value
็ฝๅ LED็ฏ็จ็จๅ้ป่ฒ่งๅ ็ฒ่ฏ้ชๆนๆณ ็ฌฌ4้จๅ๏ผ็ญ็จณๅฎๆง็ๆตๅฎ
Test methods of rare earth yellow phosphor for white LED lamps - Part 4: Determination of thermostability
็ฝๅ LED็ฏ็จ็จๅ้ป่ฒ่งๅ ็ฒ่ฏ้ชๆนๆณ ็ฌฌ3้จๅ๏ผ่ฒๅๅๆ ็ๆตๅฎ
Test methods of rare earth yellow phosphor for white LED lamps - Part 3: Determination of chromaticity coordinates
็ฝๅ LED็ฏ็จ็จๅ้ป่ฒ่งๅ ็ฒ่ฏ้ชๆนๆณ ็ฌฌ2้จๅ๏ผ็ธๅฏนไบฎๅบฆ็ๆตๅฎ
Test methods of rare earth yellow phosphor for white LED lamps - Part 2: Determination of relative brightness
็ฝๅ LED็ฏ็จ็จๅ้ป่ฒ่งๅ ็ฒ่ฏ้ชๆนๆณ ็ฌฌ1้จๅ๏ผๅ ่ฐฑๆง่ฝ็ๆตๅฎ
Test methods of rare earth yellow phosphor for white LED lamps - Part 1: Determination of spectrum property
้้้ๅฏ้็ฉๅๅญฆๅๆๆนๆณ ็ฌฌ2้จๅ๏ผๅไบไธช็จๅๅ ็ด ๆฐงๅ็ฉ้ ๅ้็ๆตๅฎ ็ตๆ่ฆๅ็ญ็ฆปๅญๅๅฐๅ ่ฐฑๆณ
Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates - Part 2: Determination of fifteen rare earth oxide relative contents - Inductively coupled plasma emission spectrometry
้้้ๅฏ้็ฉๅๅญฆๅๆๆนๆณ ็ฌฌ1้จๅ๏ผ็จๅๆฐงๅ็ฉๆป้็ๆตๅฎ ้้ๆณ
Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates - Part 1: Determination of total rare earth oxide content - Gravimetry