| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB 223.3-1988 |
Methods for chemical analysis of iron, steel and alloy; The diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus content |
$40.00 |
immediately |
valid,,1989-2-1 |
|
| GB 223.31-1984 |
Methods for chemical analysis of iron, steel and alloy--The distillation-molybdenum blue photometric method for the determination of arsenic content |
$184.00 |
via email in 1~3 business day |
valid,,1985-3-1 |
|
| GB 223.32-1984 |
Methods for chemical analysis of iron, steel and alloy--The hypophosphite reduction-iodimetric method for the determination of arsenic content |
$184.00 |
via email in 1~3 business day |
superseded,1995-6-1,1985-3-1 |
|
| GB 223.33-1984 |
Methods for chemical analysis of iron, steel and alloy--The chlorophosphonazo mA photometric method for the determination of cerium content after extraction separation |
$180.00 |
via email in 1~3 business day |
valid,,1985-3-1 |
|
| GB 223.36-1985 |
Methods for chemical analysis of iron, steel and alloy--The volumetric method for the determination of nitrogen content after distillation separation |
$184.00 |
via email in 1~3 business day |
superseded,1995-6-1,1986-6-1 |
|
| GB 223.37-1989 |
Methods for Chemical Analysis of Iron, Steel and Alloy - the Indophenol Blue Photometric Method for the Determination of Nitrogen Content after Distillation Separation |
$60.00 |
immediately |
superseded,2021-1-1,1990-7-1 |
|
| GB 223.38-1985 |
Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-gravimetric method for the determination of niobium content |
$30.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
| GB 223.4-1988 |
Methods for chemical analysis of iron, steel and alloy; The volumetric method for determination of manganese content by ammonium nitrate oxidation |
$60.00 |
via email in 1~3 business day |
abolished2008-12-01,2008-12-1,1989-2-1 |
|
| GB 223.41-1985 |
Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content |
$40.00 |
immediately |
valid,,1986-6-1 |
|
| 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 223.44-1985 |
Methods for chemical analysis of iron, steel and alloy--The tetraphenylarsonium chloride-thiocyanate-trichloromethane extraction photometric method for the determination of tungsten content |
$180.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
| GB 223.45-1985 |
Methods for chemical analysis of iron, steel and alloy--The cupral separation-xylidyl blue 2 photometric method for the determination of magnesium content |
$180.00 |
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 223.47-1985 |
methods for chemical analysis of iron, steel and alloy--The carrier precipitation-molybdenum blue photometric method for the determination of antimony content |
$180.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
| 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 223.5-1988 |
Methods for chemical analysis of iron, steel and alloy--The oxalic acid-ferrous sulfate molybdosilicate blue complex photometric method for the determination of silicon content |
$60.00 |
via email in 1~3 business day |
valid,,1989-2-1 |
|
| GB 223.50-1985 |
Methods for chemical analysis of iron, steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content |
$184.00 |
via email in 1~3 business day |
valid,,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 |
|
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