DB53/T 477-2013 Active Yunnan ProvinceLocal standards

DB53/T 477-2013 Phosphorus determination in phosphate rock using citric acid-aluminum nitrate-nitric acid fusion and molybdenum quinaldine colorimetric method

Publish Date: 2013-04-15 Implement Date: 2013-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: DB53/T 477-2013

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Chemical raw material mines

ICS Name: Non-metallic minerals

Publish Date: 2013-04-15

Implement Date: 2013-07-01

Scope

This standard specifies a method for rapidly determining the content of phosphorus pentoxide in phosphate rock using a sample dissolution solution of citric acid-aluminum nitrate-nitric acid, and the quinoline phosphomolybdate volumetric method. This standard is applicable to the rapid determination of the content of phosphorus pentoxide in phosphate rock products.