| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| 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superseded,2023-2-1,1988-3-1 |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 |
superseded,,1988-3-1 |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 |
superseded2008-11-01 ,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 |
superseded2009-04-01 ,2009-4-1,1988-3-1 |
|
| GB 223.6-1981 |
Determination of boron content in iron, steel and alloy |
224.00 |
via email in 1~3 business day |
superseded,1995-6-1,1982-3-1 |
|
| GB 223.60-1987 |
Methods for chemical analysis of iron,steel and alloy - The perchloric acid dehydration gravimetric method for the determination of silicon content |
45.00 |
via email in 1~3 business day |
superseded,1997-9-1,1988-3-1 |
|
| 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 223.69-1989 |
Methods for chemical analysis of iron, steel and alloy--The combustion volumetric method for the determination of carbon content |
|
via email in business day |
superseded,,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 |
superseded2008-11-01 ,2008-11-1,1990-7-1 |
|
| GB 3653.2-1983 |
Methods for chemical analysis of ferroboron;The gasometric method for the determination of carbon content |
60.00 |
via email in 1~3 business day |
valid,,1984-3-1 |
|
| GB 3653.5-1983 |
Methods for chemical analysis of ferroboron;The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content |
60.00 |
via email in 1~3 business day |
valid,,1984-3-1 |
|
| GB 3653.6-1988 |
Methods for chemical analysis of ferroboron-The reduced molybdoantimonylphosphoric acid photometric method for the determination of phosphorus content |
60.00 |
via email in 1~3 business day |
valid,,1990-1-1 |
|
| GB 3654.1-1983 |
Methods for chemical analysis of ferroniobium;The paper chromatographic gravimetric method for the determination of niobium and tantalum content |
30.00 |
via email in 1~3 business day |
valid,,1984-3-1 |
|
| GB 3654.10-1983 |
Methods for chemical analysis of ferroniobium;The EDTA volumetric method for the determination of aluminum content |
60.00 |
via email in 1~3 business day |
superseded,2024-12-1,1984-3-1 |
|
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