1. Instruments needed:

Beakers, triangular bottles, measuring cylinders, pipettes, ear washing balls, colorimetric tubes, volumetric bottles, pipettes, weighing bottle, dryers, distilled water preparation devices, pH meters, condensation reflux devices, acid burette, or COD measuring instrument products, temperature-controlled freezers, or BOD measuring instrument products, ultraviolet rays, and acid burette.

II. Design requirements of sewage laboratory:

① Sample preparation room: sample collection preparation, pretreatment, transfer and sample storage:

② Articles storage room: storage and preservation of chemical reagents and glassware, and placement of toxic and dangerous reagents (equipped with safety cabinets);

③ comprehensive physical and chemical room: basic laboratory operation and general physical and chemical analysis;

④ precision instrument room: precision instruments are placed, which need to be protected from electromagnetic interference, vibration, noise, corrosion, dust and constant temperature and humidity, and stable power conditions;

⑤ balance room: professional weighing work Q:

⑤ biological laboratory: it has specific requirements for environment and ventilation, is responsible for biological experiments, and the aseptic clean room has standard cleanliness requirements;

⑦ auxiliary cylinder room: the place where gas cylinders are stored;

⑧ Office (auxiliary room): data processing, file storage, daily affairs management and logistics supply organization. Personnel training posts. Have professional skills and theoretical foundation.