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GB/T 223.59-2008 Active
GB/T 223.59-2008 Iron,steel and alloy—Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method
Abstract
This part of GB/T 223 specifies the determination of phosphorus content using the bismuth phosphomolybdenum blue spectrophotometric method and the antimony phosphomolybdenum blue spectrophotometric method. This part is applicable to the determination of phosphorus content in pig iron, cast iron, iron powder, carbon steel, low-alloy steel, and alloy steel, but not applicable to steel containing niobium and tungsten. The determination range of Method I is 0.005% to 0.300% by mass, and the determination range of Method II is 0.01% to 0.06% by mass.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 223.59-2008 |
| CCS | Analysis methods for steel and iron alloys |
| ICS | Black metal comprehensive |
| Implement Date | 2009-04-01 |
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