DB53/T 639.4-2014 Abolished Yunnan ProvinceLocal standards

DB53/T 639.4-2014 Direct reduction iron chemical analysis method - Part 4: Determination of phosphorus content - Biophospromolybdate spectrophotometry

Publish Date: 2014-09-28 Implement Date: 2014-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DB53/T 639.4-2014

Standard Type: Local standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Analysis methods for steel and iron alloys

ICS Name: Other standards related to analytical chemistry

Publish Date: 2014-09-28

Implement Date: 2014-12-30

Scope

This part specifies the method for determining the phosphorus content in direct reduced iron. This part is applicable to the determination of phosphorus content in direct reduced iron. The measurement range (mass fraction): 0.010% to 0.50%.

Development Information

Same series standard

DB53/T 639.1-2014 Direct Reduction of Iron Chemical Analysis Method Part 1: Determination of Oxide Content of Calcium, Magnesium, and Aluminum by EDTA Titration Method DB53/T 639.2-2014 Direct reduction iron chemical analysis method - Part 2: Determination of silicon content - Method of spectrophotometry using molybdenum blue colorant DB53/T 639.3-2014 Direct reduction iron chemical analysis method - Part 3: Determination of manganese content - Sodium periodate spectrophotometric method DB53/T 639.5-2014 Direct reduction iron chemical analysis method - Part 5: Determination of total iron content - Potassium dichromate titration method DB53/T 639.6-2014 Direct reduction iron chemical analysis method - Part 6: Determination of multiple elements - Flame atomic absorption spectrometry DB53/T 639.7-2014 DB53/T 639.7-2014 Direct reduction iron chemical analysis method Part 7: Determination of multiple elements by X-ray fluorescence spectroscopy

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