| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 12689.13-1990 |
Zinc and zinc alloys―Determination of aluminium content―Electrothermal atomic absorption spectrometric method |
$180.00 |
via email in 1~3 business day |
abolished2004-10-01,2004-10-1,1992-1-1 |
|
| GB/T 12689.14-1990 |
Zinc and zinc alloys―Determination of aluminium content―Chromazurol S spectrophotometric method |
$180.00 |
via email in 1~3 business day |
abolished2004-10-01,2004-10-1,1992-1-1 |
|
| GB/T 12689.2-1990 |
Zinc and zinc alloys--Determination of copper content--Lead diethyldithio-carbamate spectrophotometric method |
$180.00 |
|
abolished2004-10-01 ,2004-10-1,1992-1-1 |
|
| GB/T 12689.3-1990 |
Zinc and zinc alloys--Determination of iron content--Sulphosalicylic acid spectrophotometric method |
$180.00 |
|
abolished2004-10-01 ,2004-10-1,1992-1-1 |
|
| GB/T 12689.4-1990 |
Zinc and zinc alloys―Determination of arsenic content―Molybdenum blue spectrophotometric method |
$180.00 |
via email in 1~3 business day |
abolished2004-10-01,2004-10-1,1992-1-1 |
|
| GB/T 12689.5-1990 |
Zinc and zinc alloys―Determination of silicon content―Molybdenum blue spectrophotometric method |
$180.00 |
via email in 1~3 business day |
abolished2004-10-01,2004-10-1,1992-1-1 |
|
| GB/T 12689.6-1990 |
Zinc and zinc alloys―Determination of tin content―Phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method |
$180.00 |
via email in 1~3 business day |
abolished2004-10-01,2004-10-1,1992-1-1 |
|
| GB/T 12689.7-1990 |
Zinc and zinc alloys―Determination of magnesium content―Flame atomic absorption spectrometric method |
$180.00 |
via email in 1~3 business day |
abolished2004-10-01,2004-10-1,1992-1-1 |
|
| GB/T 12689.7-2010 |
Methods for chemical analysis of zinc and zinc alloys—Part 7:Determination of magnesium content—Flame atomic absorption spectrometric method |
$160.00 |
via email in 1~3 business day |
valid,,2011-11-1 |
|
| GB/T 12689.8-1990 |
Zinc and zinc alloys--Determination of iron content--Flame atomic absorption spectrometric method |
$180.00 |
|
superseded,2004-10-1,1992-1-1 |
|
| GB/T 12690.1-1990 |
Lanthanum oxide--Determination of cerium oxide, praseodymium oxide, nedeodynium oxide, samarium oxide and yttrium oxide--Induetively coupled plasma atomic emission spectrographic method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.1-2002 |
Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of carbon and sulfur contents-High frequency-infrared absorptoin method |
$224.00 |
via email in 1~3 business day |
superseded,2016-4-1,2003-6-1 |
|
| GB/T 12690.1-2015 |
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 1:Determination of carbon and sulfur contents―High frequency-infrared absorption method |
$70.00 |
via email in 1~3 business day |
abolished2023-07-01,2023-7-1,2016-4-1 |
|
| GB/T 12690.1-2022 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1：Determination of carbon and sulfur contents—High frequency-infrared absorption method |
$120.00 |
via email in 1~3 business day |
valid,,2023-7-1 |
|
| GB/T 12690.10-1990 |
Gadolinium oxide--Determination of samarium oxide, europium oxide, terbium oxide, dysprosium oxide and yttrium oxide contents--Emission spectrographic method |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.10-2003 |
Gadolinium oxide-Determination of samarium oxide, europium oxide, terbium oxide, dysprosium oxide a |
$124.00 |
via email in 1~3 business day |
valid,,2004-6-1 |
|
| GB/T 12690.11-1990 |
Terbium oxide--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide, holmium oxide, erbium oxide and yttrium oxide contents--Emission spectrogra |
$180.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 12690.11-2003 |
Terbium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,sama |
$100.00 |
via email in 1~3 business day |
to be superseded,2026-2-1,2004-6-1 |
|
| GB/T 12690.12-1990 |
Neodymium and samarium--Determination of oxygen content--Impulse-infrared absorption method |
$180.00 |
via email in 1~3 business day |
abolished2004-06-01 ,2004-6-1,1992-1-1 |
|
| GB/T 12690.12-2003 |
Neodymium and samarium-Determination of oxygen content-Impulse-infrared absorption method |
$130.00 |
via email in 1~3 business day |
abolished2024-11-01,2024-11-1,2004-6-1 |
|
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