Animal and vegetable fats and oils.Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC/MS. Part 1. Method using fast alkaline transesterification and measurement for 3-MCPD and differential measurement for glycidol
Reclamation systems and structures. Water distribution and water accounting in the irrigation network. Graduation of hydrometric constructions «The fixed channel». General requirements