| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB 223.42-1985 |
Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalum content |
$45.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
| GB 223.46-1989 |
Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric methods for the determination of magnesium content |
$60.00 |
via email in 1~3 business day |
valid,,1990-7-1 |
|
| GB 223.48-1985 |
Methods for chemical analysis of iron,steel and alloy; The semixylenol orange photometric method for the determination of bismuth content |
$45.00 |
via email in 1~3 business day |
abolished2017-12-15,,1986-6-1 |
|
| GB 223.51-1987 |
Methods for chemical analysis of iron,steel and alloy; The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content |
$40.00 |
immediately |
valid,,1988-3-1 |
|
| GB 223.52-1987 |
Methods for chemical analysis of iron,steel and alloy; The hydroxylamine hydrochloride-iodometric method for the determination of selenium content |
$30.00 |
via email in 1~3 business day |
valid,,1988-3-1 |
|
| GB 223.53-1987 |
Methods for chemical analysis of iron,steel and alloy; The flame atomic absorption spectrophotometric method for the determination of copper content |
$30.00 |
via email in 1~3 business day |
valid,,1988-3-1 |
|
| GB 223.54-1987 |
Methods for chemical analysis of iron,steel and alloy; The flame atomic absorption spectrophotometric method for the determination of nickel content |
$30.00 |
via email in 1~3 business day |
superseded,2023-2-1,1988-3-1 |
|
| GB 223.55-1987 |
Methods for chemical analysis of iron,steel and alloy; The direct oscillopolarographic method for the determination of tellurium content |
$40.00 |
via email in 1~3 business day |
valid,,1988-3-1 |
|
| GB 223.56-1987 |
Methods for chemical analysis of iron,steel and alloy; The sulfhydryl cotton fiber separation-oscillopolarographic method for the determination of tellurium content |
$45.00 |
via email in 1~3 business day |
abolished2008-11-01 ,2008-11-1,1988-3-1 |
|
| GB 223.57-1987 |
Methods for chemical analysis of iron,steel and alloy; The extraction-absorption catalytic polarographic method for the determination of cadmium content |
$30.00 |
via email in 1~3 business day |
abolished2017-12-15,,1988-3-1 |
|
| GB 223.58-1987 |
Methods for chemical analysis of iron,steel and alloy; The sodium arsenite-sodium nitrite titrimetric method for the determination of manganese content |
$50.00 |
immediately |
valid,,1988-3-1 |
|
| GB 223.59-1987 |
Methods for chemical analysis of iron,steel and alloy; The reduced molybdoantimonyl phosphoric acid photometric method for the determination of phosphorus content |
$60.00 |
via email in 1~3 business day |
abolished2009-04-01 ,2009-4-1,1988-3-1 |
|
| GB 223.61-1988 |
Methods for chemical analysis of iron, steel and alloy; The ammonium phosphomolybdate volumetric method for the determination of phosphorus content |
$60.00 |
immediately |
valid,,1989-2-1 |
|
| GB 223.62-1988 |
Methods for Chemical Analysis of Iron, Steel and Alloy - The Butyl Acetate Extraction Photometric Method for the Determination of Phosphorus Content |
$50.00 |
immediately |
valid,,1989-2-1 |
|
| GB 223.63-1988 |
Methods for chemical analysis of iron, steel and alloy; The sodium(potassium)periodate photometric method for the determination of manganese content |
$40.00 |
immediately |
superseded,2023-2-1,1989-2-1 |
|
| GB 223.66-1989 |
Methods for chemical analysis of iron, steel and alloy The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten content |
$75.00 |
via email in 1~3 business day |
valid,,1990-7-1 |
|
| GB 223.67-1989 |
Methods for chemical analysis of iron, steel and alloy The reducing distillation-methylene blue photometric method for the determination of sulfur content |
$75.00 |
via email in 1~3 business day |
superseded,2008-11-1,1990-7-1 |
|
| GB 223.70-1989 |
Methods for chemical analysis of iron steel and alloy; The O-Phenanthroline spectrophotometric method for the determination of iron content |
$60.00 |
via email in 1~3 business day |
abolished2008-11-01 ,2008-11-1,1990-7-1 |
|
| GB 224-1987 |
Determination of depth of decarburization of steel |
$30.00 |
via email in 1~3 business day |
abolished2009-04-01,2009-4-1,1989-1-1 |
|
| GB 225-1988 |
Steel-hardenability test by end quenching(Jominy test) |
$135.00 |
via email in 1~3 business day |
abolished2007-02-01,2007-2-1,1990-1-1 |
|
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