Urea for industrial use; Determination of nitrogen content; Titrimetric method after distillation

ISO 1592:1977 — Urea for industrial use; Determination of nitrogen content; Titrimetric method after distillation is an international standard developed by International Organization for Standardization (ISO). The procedure is based on the catalytic conversion of nitrogen present in a test portion to ammonia by heating in concentrated sulphuric acid solution. Distillation and absorption of the ammonia in an excess of standard volumetric sulphuric acid...

This standard covers: The procedure is based on the catalytic conversion of nitrogen present in a test portion to ammonia by heating in concentrated sulphuric acid solution. Distillation and absorption of the ammonia in an excess of standard volumetric sulphuric acid solution and back-titration with standard volumetric...

This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.

The current published version is ISO 1592:1977, published on 1977-11. Always check for amendments or pending revisions.

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