Introduction to the Functional Zoning of the Physicochemical Laboratory

Release time:

2026-03-06 15:12

The functional areas of the physicochemical laboratory are divided into a core experimental zone and auxiliary functional zones according to the workflow. Reasonable zoning can ensure smooth workflows, prevent cross-contamination, and enhance testing efficiency.

I. Core Experimental Zone

1. Sample Preparation Area

Function Sample reception, registration, pretreatment, and aliquoting
Configuration Laboratory bench, fume hood, sample cabinet, refrigerator, crushing and grinding equipment
Requirements Near the sample inlet, appropriately isolated from the instrument area.

2. Chemical Operation Area

Function Routine chemical experiments and sample pretreatment
Configuration : Central laboratory bench, fume hood (each) 2-3 operating stations per unit, reagent rack, eyewash station
Requirements Located in a central position, with excellent ventilation and emergency shower. Within 30 meters

3. Instrumental Analysis Area

Function Detection by various analytical instruments
Partition Spectral region, chromatographic region, mass spectrometry region, and physical property testing region
Configuration Instrument table, experimental bench, gas pipeline interface, regulated power supply
Requirements Same type grouped together, kept away from vibrations, and subject to strict temperature and humidity control. 20–25℃, 40–60% RH)

4. Balance Room

Function Precise weighing
Configuration Independent seismic-resistant platform, buffer room, and temperature and humidity control
Requirements Independent enclosure, isolated from airflow and vibration, positive-pressure dustproof.

5. High-Temperature Treatment Zone

Function High-temperature equipment such as muffle furnaces and ovens
Configuration High-temperature-resistant workbench, ventilation hood, and dedicated high-power circuit
Requirements Independent area, away from flammable materials, with good insulation and ventilation.

II. Auxiliary Function Area

1. Reagent Storage Area

Function Store chemical reagents by category.
Configuration : General reagent cabinet, flammable materials cabinet, corrosive materials cabinet
Requirements Store in a cool, dry, and well-ventilated area; prevent leaks; keep incompatible reagents stored separately.

2. Standard Solution Room

Function Preparation and Storage of Standard Solutions
Configuration Laboratory bench, standard substance cabinet, refrigerator, purified water terminal
Requirements Strict temperature and humidity control, high cleanliness.

3. Washing and Disinfection Area

Function : Cleaning laboratory glassware
Configuration Acid- and alkali-resistant cleaning tanks, utensil cabinets, and drying ovens
Requirements Independent area, waterproof and non-slip, with segregated disposal of waste liquids.

4. Data Processing Room

Function Data processing and report preparation
Configuration Office desks and chairs, computers and printers, filing cabinets
Requirements Isolated from the experimental area, with a quiet environment.

5. Office Break Area

Function Staff office break
Configuration Office desks and chairs, lockers, and living amenities
Requirements Completely physically isolated from the experimental area

III. Layout Principles

1. Process-oriented

Arrange the process according to the sequence “sample reception → preparation → pretreatment → instrument analysis → data processing” to avoid unnecessary detours.

2. Pollution Isolation

The clean area (for instruments and balances) is separated from the contaminated area (for chemical operations and sample preparation); the hazardous gas zone is maintained at negative pressure.

3. Functional Association

Adjacent arrangement of related areas: Sample preparation is located near chemical operations, reagent storage is situated close to chemical operations, and instrument areas are grouped together by type.

4. Flexible scalability

Reserve space for future expansion, adopt a modular design, and provide reserved interfaces for pipelines.

IV. Common Layout Patterns

Island layout Central island counter +Surrounding platforms, high space utilization, ideal for large-scale integrated laboratories
Peninsula-style layout The lab bench is positioned against the wall at one end, creating a clearly defined workspace that’s ideal for medium-sized laboratories.
Side table layout The lab bench is positioned along the wall, simple and compact, ideal for small laboratories.
Layered layout Functional layers are distributed hierarchically with complete isolation, making it suitable for large-scale organizations.