| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 12690.14-2006 |
Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides Determination of titanium in rare earth metals |
$120.00 |
via email in 1~3 business day |
valid,,2006-10-1 |
|
| GB/T 12690.15-1990 |
Rare-earth metals and their oxides--Determination of thorium content--Arsenazo Ⅲ spectrophotometric method |
$184.00 |
via email in 1~3 business day |
abolished2004-06-01,2004-6-1,1992-1-1 |
|
| GB/T 12690.15-2006 |
Chemical analysis methods for non-rare earth metals and their oxide Determination of calcium oxide content |
$180.00 |
via email in 1~3 business day |
superseded,2019-4-1,2006-10-1 |
|
| GB/T 12690.15-2018 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 15:Determination of calcium content |
$250.00 |
via email in 1~3 business day |
valid,,2019-4-1 |
|
| GB/T 12690.16-1990 |
Rare-earth metals and their oxides--Determination of calcium content--Flame atomic absorption spectrometric method |
$180.00 |
via email in business day |
valid,,1992-1-1 |
|
| GB/T 12690.16-2010 |
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 |
$120.00 |
via email in 1~3 business day |
valid,,2011-11-1 |
|
| GB/T 12690.17-1990 |
Rare-earth metals and their oxides--Determination of calcium content--Nitrous oxide-acetylene flame atomic absorption spectrometric method |
$180.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1992-1-1 |
|
| GB/T 12690.17-2010 |
Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides—Part 17:Determination of niobium and tantalum contents of rare earth metals |
$180.00 |
via email in 1~3 business day |
valid,,2011-11-1 |
|
| GB/T 12690.18-1990 |
Rare-earth metals and their oxides--Determination of chlorine content--Mercury sulphoeyanie-iron nitrate spectrophotometric method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.18-2017 |
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides-Part 18:Determination of zirconium content |
$130.00 |
via email in 1~3 business day |
valid,,2018-5-1 |
|
| GB/T 12690.19-1990 |
Rare-earth metals and their oxides--Determination of iron content--1, 10-phenanthroline spectrophotometric method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.19-2018 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19:Determination of arsenic and mercury contents |
$160.00 |
via email in 1~3 business day |
valid,,2019-6-1 |
|
| GB/T 12690.2-1990 |
Lanthanum oxide--Determination of neodymium oxide, cerium oxide, praseodymium oxide, samarium oxide and yttrium oxide contents-Emission spectrographic method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.2-2002 |
Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of ignition loss content of rare earth oxides-Gravimetric method |
$120.00 |
via email in 1~3 business day |
abolished2016-04-01,2016-4-1,2003-6-1 |
|
| GB/T 12690.2-2015 |
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 2:Determination of ignition loss content of rare earth oxides―Gravimetric method |
$60.00 |
via email in 1~3 business day |
valid,,2016-4-1 |
|
| GB/T 12690.20-1990 |
Rare-earth metals and their oxides--Determination of iron content--Potassium thiocyanate, 1, 10-phenanthroline spectrophotometric method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.21-1990 |
Rare-earth metals and their oxides--Determination of phosphorus content--Molybdenum blue spectrophotometric method |
$184.00 |
via email in 1~3 business day |
abolished2004-06-01,2004-6-1,1992-1-1 |
|
| GB/T 12690.21-2024 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 21：Determination of sulfate radical content in rare earth oxides—Barium sulfate turbidimetry |
$210.00 |
via email in 1~3 business day |
valid,,2025-5-1 |
|
| GB/T 12690.22-1990 |
Rare-earth metals and their oxides--Determination of silicon oxide--Molybdenum blue spectrophotometric method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.23-1990 |
Rare-earth metals and their oxides--Determination of acid soluble silicon oxide--Molybdenum blue spectrophotometric method |
$180.00 |
via email in 1~3 business day |
abolished2004-06-01,2004-6-1,1992-1-1 |
|
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* Related standard quantity: * Page quantity: *
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[3][4][5][6][7][8][9][10][11][12][13]
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