The services are subject to 12 lots covered by separate contracts. These are single-beneficiary framework agreements with purchase orders, with no annual minimum amount or annual maximum amount, but with annual forecast quantities indicated in the Unit Price Schedule (BPU) worth estimated quantitative detail (EQD).

Detergent chemical reagents for maintenance and decontamination of premises.

Specific inorganic chemical reagents and Sigma brand standard substances or equivalent

Marked and unlabeled analytical standards for the determination of organic trace elements in liquid and gas chromatography

Mono-elemental and multi-elemental standard solutions for the determination of mineral elements by Icp Ms and Icp Aes

Chemical reagents for the maintenance and decontamination of laboratory glassware.

Inorganic Chemical Reagents for Specific Investigations (Protein Assay and Determination of Dco)

Various inorganic chemical reagents

Various organic chemical reagents

Organic chemical reagents and "picograde" quality solvents

Various solvents

Inorganic chemical reagents: reference materials for trace element analysis

Specific organic chemical reagents and Sigma brand standard substances or equivalent