table_purificationsteps.md

Table: purificationsteps

Description: This table captures the purification steps that were used (if any) to y the

'purity' section in the ThermoML Schema

Example data of a 'purity' in the 'Sample section of a ThermoML file

MySQL 'purificationsteps' table structure

MySQL Fields

• id: phase primary key (auto-generated and unique)
• chemical_id: foreign key (chemicals table) linking to a chemical that the phase applies to
• step: the index of the purification step in the overall purification process
• type: the type of chemical purified
• purity: the value of the purity as text
• puritysf: the number of significant digits of the purity value
• purityunit_id: foreign key (units table) of the purity value unit
• analmeth: description of the analysis method
• purimeth: description of the purification method
• updated: datetime last updated