An automated ICP sample preparation system is a laboratory automation solution that performs or coordinates sample preparation operations before inductively coupled plasma analysis. Depending on the configuration, it can automate sample weighing, reagent dispensing, acid digestion coordination, dilution, liquid transfer, and sample identification. It helps laboratories standardize repetitive preparation tasks and connect sample handling with ICP-OES or ICP-MS analysis.
Automated ICP sample preparation connects multiple laboratory preparation operations into a coordinated workflow.
Typical modules include automatic weighing, liquid handling, reagent dispensing, digestion equipment, dilution, and sample transfer.
The required configuration depends on sample type, analytical method, and instrument compatibility.
ICP-OES and ICP-MS workflows may have different requirements for dilution, contamination control, and sample introduction.
Modular automation allows laboratories to automate selected operations without replacing every existing instrument.
Successful implementation requires workflow analysis, equipment integration, testing, and process verification.
Inductively coupled plasma (ICP) analysis is widely used to determine elemental concentrations in environmental, chemical, geological, food, pharmaceutical, and advanced material samples.
The two common techniques are:
ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometry): Measures the optical emission of elements in a plasma.
ICP-MS (Inductively Coupled Plasma Mass Spectrometry): Measures ions according to their mass-to-charge ratios and is commonly used for trace and ultra-trace elemental analysis.
Before samples can be analyzed, they often require preparation. Depending on the sample matrix and analytical method, this may involve weighing, reagent addition, digestion, dilution, filtration, liquid transfer, or other pretreatment operations.
An automated ICP sample preparation system uses mechanical equipment, liquid handling devices, robotic modules, and control software to perform or coordinate these operations.
Unlike a standalone pipetting robot or autosampler, a complete sample preparation solution can connect several preparation stages into one workflow.
The system may be configured as:
A single-process automation unit: Automates a specific task, such as weighing, dispensing, or dilution.
A modular preparation workstation: Combines multiple sample preparation modules.
An integrated ICP automation system: Connects sample preparation equipment with analytical instruments and laboratory software.
The most suitable option depends on the laboratory's actual workflow and automation requirements.
Not every laboratory needs the same preparation process. Automation should be designed around the analytical method and the characteristics of the samples.
| Preparation Step | Automation Function | Typical Equipment |
|---|---|---|
| Sample identification | Identifies samples and assigns preparation tasks | Barcode scanner, sample tracking software |
| Sample weighing | Measures solid sample quantities | Automatic weighing module |
| Reagent dispensing | Adds acids, solvents, or other reagents | Automatic liquid dispenser |
| Acid digestion coordination | Handles vessels and coordinates digestion procedures | Robotic handler, digestion equipment |
| Liquid transfer | Moves samples between containers | Automated pipetting system |
| Dilution | Adjusts sample concentrations | Automatic dilution module |
| Sample distribution | Transfers prepared samples into designated positions | Robotic handling unit |
| Sample introduction | Presents prepared samples to ICP instruments | Compatible autosampler |
| Process recording | Records task status and operation information | Automation control software |
Some operations can be combined, while others require dedicated equipment.
For example, an automated liquid handling workstation may perform reagent dispensing and dilution without requiring a robotic weighing module. A laboratory processing solid geological samples may need a more extensive configuration that includes weighing and digestion coordination.
The system should therefore be selected according to the actual preparation sequence rather than the number of modules available from a supplier.
A typical automated ICP preparation solution may consist of several hardware and software components.
Accurate sample mass measurement is important when preparing solid samples for elemental analysis.
An automatic weighing module can reduce repetitive manual weighing and help standardize sample preparation procedures.
When selecting this module, consider:
Required weighing range and resolution
Sample type and particle characteristics
Sample container compatibility
Powder residue and cleaning requirements
Environmental conditions affecting weighing
Data recording and balance communication
Powders with different particle sizes, moisture contents, and flow properties may require different feeding and handling approaches.
Reagent dispensing is a common operation in ICP sample preparation.
Depending on the method, reagents may include acids, water, solvents, or other preparation liquids.
An automated dispensing module can deliver programmed liquid volumes and coordinate reagent addition with other preparation steps.
Important selection factors include:
Chemical compatibility of wetted components
Required dispensing volume
Dispensing precision and repeatability
Tubing and container materials
Reagent storage and replenishment
Cleaning and waste handling
For laboratories handling corrosive chemicals, material compatibility and appropriate safety measures must be considered during system design.
Many solid samples require digestion before ICP analysis.
Digestion procedures vary depending on the sample matrix, target elements, and analytical method. They may use microwave digestion, hot block digestion, or other validated approaches.
An automation system may coordinate vessel loading, reagent addition, vessel transfer, and communication with digestion equipment.
It is important to understand that a robotic sample preparation system does not automatically include a digestion instrument. Digestion equipment may be a separate device integrated into the overall workflow.
Automated pipetting systems transfer measured liquid volumes between containers.
They can support:
Sample aliquoting
Reagent addition
Serial dilution
Standard preparation
Liquid transfer
Sample distribution
The selection of pipetting technology should consider liquid properties, required volume range, viscosity, volatility, chemical compatibility, and contamination control.
For ICP-MS applications, the system should also be designed to minimize contamination from tubing, tips, vessels, and other wetted components.
A sample handling module moves containers between different preparation stations.
Depending on the design, it may use robotic arms, linear motion units, racks, or dedicated transfer mechanisms.
Its configuration should account for:
Container dimensions and shapes
Rack capacity
Station positions
Movement accuracy
Collision prevention
Abnormal sample handling
Access for cleaning and maintenance
Control software coordinates equipment operations and manages the preparation sequence.
Depending on the system, it may provide:
Sample and task management
Workflow configuration
Equipment communication
Operation status monitoring
Alarm and exception handling
Preparation process records
User permissions
Software capabilities should be defined according to the laboratory's operational requirements. Do not assume that every system automatically supports LIMS integration or electronic batch records.
A typical workflow can be divided into several stages.
<escape>Sample Registration → Sample Loading → Weighing → Reagent Addition → Digestion or Pretreatment → Dilution → Sample Transfer → ICP Analysis → Data Management</escape>
The exact sequence depends on the sample matrix and analytical procedure.
Each sample is assigned an identification number and associated preparation information.
Barcode scanning or software-based task assignment may be used to reduce manual data entry.
Samples are placed in designated containers or racks.
The system checks sample positions and coordinates the next operation according to the programmed sequence.
For solid samples, the system may measure the required sample mass and dispense the specified reagents.
For liquid samples, the workflow may begin with aliquoting or direct transfer.
If digestion is required, the system coordinates the relevant preparation equipment and vessel handling.
Digestion conditions must follow the applicable analytical method. Automation should not change validated method parameters without appropriate evaluation.
Prepared samples may be diluted to the required concentration range.
Automated liquid handling equipment transfers samples and reagents according to predefined instructions.
Prepared samples are moved to the appropriate sample positions.
If instrument integration is included, the system may communicate with a compatible autosampler or sample introduction device.
The automation software records relevant process information, such as sample identity, operation status, and exceptions.
The ICP instrument generates analytical measurements. These results may then be managed through instrument software or an integrated laboratory information management system.
Although ICP-OES and ICP-MS share some preparation operations, their analytical requirements are not identical.
Automation systems should be designed around the specific instrument, analytical method, and sample matrix.
| Factor | ICP-OES | ICP-MS |
|---|---|---|
| Main analytical application | Elemental concentration analysis | Trace and ultra-trace elemental analysis |
| Sample preparation | Depends on sample matrix and method | Depends on sample matrix, target elements, and detection limits |
| Dilution | Used when required by the method and concentration range | Important for controlling analyte concentration and matrix effects |
| Contamination control | Important for reliable elemental results | Particularly important for low-level trace analysis |
| Sample introduction | Must match the instrument and autosampler | Must match the instrument, sample introduction system, and autosampler |
| Automation priorities | Consistency, throughput, and sample handling | Contamination control, dilution, traceability, and compatibility |
A system configured for ICP-OES should not automatically be assumed to meet every ICP-MS requirement.
For trace-level analysis, laboratories should pay particular attention to reagent purity, vessel cleanliness, wetted materials, sample carryover, and dilution procedures.
Automated equipment can execute predefined operating sequences and reduce variation associated with repetitive manual tasks.
This is especially useful when laboratories process large batches using established analytical methods.
Automating repetitive operations such as liquid dispensing, sample transfer, and dilution can reduce routine operator involvement.
Laboratory personnel can focus more on method management, instrument maintenance, quality control, and data review.
A connected system can coordinate multiple preparation stations and manage sample sequences.
This can make it easier to organize complex workflows involving several preparation operations.
Software-based sample identification and operation records can help laboratories trace samples through different preparation stages.
The level of traceability depends on the software design and the data interfaces included in the project.
A modular design allows laboratories to begin with selected operations and expand the system as requirements change.
For example, a laboratory may initially automate liquid handling and later add sample weighing, robotic transfer, or instrument integration.
Automation can improve process control, but it does not replace method validation, equipment calibration, or laboratory quality management.
Selecting an appropriate system requires a clear understanding of the laboratory's samples, methods, instruments, and daily workload.
Different sample types require different preparation approaches.
| Sample Type | Possible Preparation Requirements |
|---|---|
| Water samples | Aliquoting, dilution, reagent addition, filtration where required |
| Soil and sediment | Weighing, digestion, dilution, transfer |
| Geological samples | Powder handling, weighing, digestion, dilution |
| Metal and alloy samples | Weighing, acid treatment, digestion, dilution |
| Battery materials | Powder weighing, method-specific digestion, dilution |
| Food and agricultural samples | Method-specific digestion, dilution, transfer |
| Chemical materials | Reagent addition, dilution, transfer, or other pretreatment |
These are general examples, not universal procedures. The actual preparation steps must follow the analytical method.
Determine how many samples the laboratory processes per day, week, or batch.
Also consider:
Average preparation time
Number of parallel processing positions
Digestion cycle duration
Instrument measurement time
Cleaning and changeover time
Repeat analysis requirements
Operator availability
A system should be sized according to the entire workflow, not simply the maximum number of samples that can be loaded at once.
Not every laboratory needs a fully integrated system.
A practical approach is to identify the most repetitive or time-consuming operations and automate them first.
For example:
Basic automation: Automatic dispensing or pipetting.
Intermediate automation: Weighing, liquid handling, dilution, and sample transfer.
Integrated automation: Multiple preparation stations connected with analytical instruments and laboratory software.
The best configuration is the one that addresses the laboratory's actual bottlenecks without adding unnecessary complexity.
Before purchasing equipment, confirm compatibility with existing ICP-OES or ICP-MS instruments.
Check:
Instrument manufacturer and model
Autosampler type
Sample tube and rack specifications
Control software
Communication interfaces
Sample introduction requirements
Instrument integration should be confirmed with the relevant equipment manufacturers and system integrator.
ICP sample preparation may involve corrosive acids and other chemicals.
The system design should address chemical-resistant materials, appropriate ventilation or containment, waste collection, spill management, and safe operator access.
For trace element analysis, cleaning procedures and contamination control should be treated as key design requirements.
Determine whether the laboratory needs:
Sample barcode management
Preparation task assignment
Equipment status monitoring
Operation records
Alarm management
LIMS communication
Analytical result exchange
Define the data flow between the automation system, analytical instruments, and laboratory software before implementation.
Laboratories may choose between individual automation devices and an integrated preparation system.
| Comparison | Standalone Equipment | Integrated Automation System |
|---|---|---|
| Scope | Automates one or several specific operations | Coordinates multiple preparation stages |
| Equipment communication | May operate independently | Designed for coordinated operation |
| Workflow management | Often requires separate operator coordination | Can use centralized task management |
| Expansion | Depends on device compatibility | Can be planned around modular expansion |
| Initial investment | Often lower for a limited task | Usually requires greater integration investment |
| Implementation | Generally simpler | Requires workflow design and system integration |
| Best suited for | Small-scale or specific process automation | Repetitive, multi-step preparation workflows |
Standalone equipment may be sufficient when a laboratory only needs to automate one task.
An integrated system becomes more relevant when multiple operations must be coordinated and sample traceability across the workflow is important.
A technical proposal should describe more than the equipment list.
Before confirming a system configuration, laboratories should request information about the following areas:
| Proposal Item | What Should Be Defined |
|---|---|
| Sample information | Sample types, container dimensions, physical properties |
| Analytical methods | ICP-OES or ICP-MS methods and preparation procedures |
| Automation scope | Which steps are automated and which remain manual |
| Equipment configuration | Modules, specifications, and interfaces |
| Chemical compatibility | Wetted materials and reagent handling requirements |
| System layout | Equipment arrangement, access, and safety requirements |
| Software | Workflow control, task management, and data records |
| Integration | ICP instrument, autosampler, and LIMS interfaces |
| Acceptance testing | Performance checks and project acceptance criteria |
| Technical support | Training, maintenance, spare parts, and service |
A clear project scope helps prevent misunderstandings about what the system can and cannot do.
Exceed Testing, operated by Zhejiang Qibiao Intelligent Laboratory Technology Co., Ltd., provides laboratory automation equipment, customized automation solutions, and laboratory system integration services.
For ICP-related applications, the company's product range includes equipment and solutions associated with sample pretreatment, automatic weighing, pipetting, and liquid handling.
An ICP automation project may involve different combinations of these modules, depending on the laboratory's analytical workflow.
Potential project considerations include:
Automatic sample handling
Powder weighing and sample loading
Reagent dispensing and liquid transfer
Sample dilution and preparation
Coordination with digestion equipment
Sample identification and process control
Integration with existing laboratory instruments
The final configuration should be based on the laboratory's actual samples, preparation methods, instrument models, and automation objectives.
Exceed Testing approaches laboratory automation through workflow analysis and system integration rather than assuming that one standard equipment package is suitable for every application.
Explore related resources:
It is a laboratory automation solution that performs or coordinates sample preparation tasks before ICP analysis. Depending on the configuration, it may include automatic weighing, reagent dispensing, digestion coordination, dilution, liquid handling, sample transfer, and process management.
An ICP autosampler introduces prepared samples into the analytical instrument in a defined sequence. An ICP sample preparation automation system handles upstream procedures such as weighing, reagent addition, digestion coordination, and dilution. The two systems can be integrated when compatible interfaces are available.
An automation system may coordinate acid digestion by handling vessels, adding reagents, or communicating with dedicated digestion equipment. Whether digestion is performed within the automation workstation or by a separate instrument depends on the system design.
A suitably designed automation platform may support preparation workflows for both techniques. However, instrument interfaces, sample introduction requirements, contamination control, and analytical methods must be evaluated separately.
Depending on its configuration, the system may handle water, soil, sediment, geological materials, metal samples, battery materials, food, and chemical products. The preparation procedure must be adapted to each sample matrix and analytical method.
Yes, but the system must be designed to control contamination and sample carryover. Reagent purity, vessel materials, tubing, cleaning procedures, and sample handling conditions are particularly important for trace-level measurements.
It may connect to a LIMS if the automation software and LIMS support compatible data interfaces. Integration requirements should specify how sample IDs, preparation tasks, process records, and analytical results are exchanged.
The cost depends on the number of automated operations, equipment modules, sample throughput, chemical handling requirements, software, and instrument integration scope. A technical assessment is usually needed before a reliable quotation can be prepared.
Evaluate the supplier's experience in laboratory workflow design, equipment integration, liquid handling, sample transfer, chemical compatibility, software control, commissioning, and technical support. Ask for a configuration based on your actual samples and analytical methods rather than a generic equipment list.
An automated ICP sample preparation system can connect repetitive laboratory preparation operations into a more coordinated workflow. Depending on the application, it may combine weighing, reagent dispensing, digestion coordination, dilution, liquid handling, sample transfer, and software-based process management.
The right solution depends on sample characteristics, analytical methods, sample throughput, instrument compatibility, and laboratory requirements.
For laboratories planning to automate ICP-OES or ICP-MS preparation, a workflow assessment is the most practical starting point. It helps identify which operations should be automated, which equipment modules are required, and how the system should connect with existing analytical instruments.
Exceed Testing provides laboratory automation equipment and customized system integration services for laboratories seeking to improve sample preparation workflows.
About ECD (Exceed Testing)
ECD (Exceed Testing), Zhejiang Qibiao Intelligent Laboratory Technology Co., Ltd., specializes in laboratory automation system integration and smart laboratory solutions. The company combines in-house research and development, manufacturing, sales, and implementation services to support applications in environmental testing, food and pharmaceutical analysis, life sciences, new energy, and advanced materials.
According to the company's published website information, ECD reports more than 60 laboratory deployments and over 20 collaborating academic and corporate organizations. Its offerings include standard laboratory automation products, customized non-standard automation systems, and intelligent laboratory management software. Depending on project requirements, solutions can integrate sample handling, laboratory instruments, automation hardware, and digital workflow management.
ECD's approach focuses on improving laboratory workflow consistency, operational efficiency, and data traceability. System configurations should be evaluated against the customer's analytical methods, sample throughput, instrument compatibility, and operational requirements.
Custom Particle Size Analyzer Systems: Design, Integration, and Applications
2026-11-06Particle Size Analyzer Automation Retrofit: How to Automate Existing Equipment
2026-11-06Automated Laboratory Sample Transfer System: Design, Workflow & Applications
2026-11-05Automated Particle Size Analysis System: How It Works, Applications, and Real-World Design
2026-11-05
Custom Particle Size Analyzer Systems: Design, Integration, and Applications
2026.11.06
Particle Size Analyzer Automation Retrofit: How to Automate Existing Equipment
2026.11.06
Automated Laboratory Sample Transfer System: Design, Workflow & Applications
2026.11.05
Automated Particle Size Analysis System: How It Works, Applications, and Real-World Design
2026.11.05
Copyright © Zhejiang Qibiao Intelligent Laboratory Technology Co., Ltd. All Rights Reserved.Zhejiang ICP No. 2024131427-1
