| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| 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 12690.2-1990 |
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 12690.20-1990 |
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 12690.22-1990 |
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 |
|
| GB/T 12690.24-1990 |
Rare-earth metals and their oxides--Determination of aluminum content--Aluminum-chromazurol S-hexadecyl-trimethyl ammonium bromide-ethanol spectrophotometric method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.25-1990 |
Rare-earth metals and their oxides--Determination of magnesium content--Flame atomic absorption spectrometric method |
$184.00 |
via email in 1~3 business day |
abolished2004-06-01,2004-6-1,1992-1-1 |
|
| GB/T 12690.26-1990 |
Rare-earth metals and their oxides--Determination of sodium content--Flame atomic absorption spectrometric method |
$184.00 |
via email in 1~3 business day |
abolished2004-06-01,2004-6-1,1992-1-1 |
|
| GB/T 12690.27-1990 |
Rare-earth metals and their oxides-Determination of ignition loss-Gravimetric method |
$184.00 |
via email in 1~3 business day |
abolished2003-06-01,2003-6-1,1992-1-1 |
|
| GB/T 12690.28-2000 |
Rare earth metals and their oxide--Determination of calcium oxide content--Inductively coupled plasma atomic emission spectrographic method |
$100.00 |
via email in 1~3 business day |
abolished2006-10-01,2006-10-1,2000-1-1 |
|
| GB/T 12690.29-2000 |
Rare earth metals and their oxide - Determination of cerium oxide content - Fluorescent spectrophotometric method |
$90.00 |
via email in 1~3 business day |
valid,,2000-1-1 |
|
| GB/T 12690.3-1990 |
Cerium and cerium oxide--Determination of lanthanum oxide, praseodymium oxide, neodymium 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 12690.4-1990 |
Cerium oxide--Determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--Spectrochemical method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.5-1990 |
Praseodymium oxide--Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--X ray fluorescence spectrometric method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.6-1990 |
Praseodymium oxide--Determination of lanthanum oxide, cerium oxide, neodymium 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 12690.7-1990 |
Neodymium and neodymium oxide--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, samarium oxide, yttrium oxide contents--X-ray fluorescence spectrometric method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.8-1990 |
Neodymium and neodymium oxide--Determination of lanthanum 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 12690.9-1990 |
Neodymium oxide--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, samarium oxide and yttrium oxide contents--Spectrochemical method |
$220.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 13559-1992 |
Yttrium metal |
$224.00 |
via email in 1~3 business day |
abolished2008-01-01,2008-1-1,1993-4-1 |
|
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* Related standard quantity: * Page quantity: *
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