ASTM D7574: Bisphenol A Water LC MS MS Testing Services
ASTM D7574 explains the determination of Bisphenol A (BPA), which is extracted from water by Solid-Phase Extraction (SPE), separated by Liquid Chromatography (LC), and detected by Tandem Mass Spectrometry (MS/MS). This method corresponds to multiple reaction monitoring mass spectrometry, whose values are measured in SI units.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
What Is ASTM D7574 Bisphenol A Water LC MS MS?
ASTM D7574 is a standardized analytical test method used for the qualitative and quantitative determination of Bisphenol A (BPA) in water samples. BPA is a high-volume industrial chemical widely used in the production of epoxy resins and polycarbonate polymers.
To achieve high sensitivity and selectivity, this approach employs tandem mass spectrometry (LC-MS/MS) coupled with liquid chromatography after solid-phase extraction (SPE). The test provides accurate concentration data necessary for public health protection, regulatory compliance, and environmental monitoring.
Applications and Benefits of ASTM D7574 Bisphenol A Water LC MS MS Testing
Scope
ASTM D7574 evaluates:
- Presence and concentration of BPA in water samples
- Trace-level detection using SPE and LC-MS/MS
- Identification through retention time and SRM transitions
- Use of surrogate and internal standards
- Quantitative reporting of BPA concentration
This method applies to environmental and drinking water testing.
Applications
- Environmental water monitoring
- Drinking water quality testing
- Industrial wastewater analysis
- Regulatory compliance testing
- Public health studies
- Plastic manufacturing quality control
- Research laboratories
Benefits
- High sensitivity and accuracy
- Reliable quantitative results
- Selective detection using MS/MS
- Minimal matrix interference
- Suitable for trace-level analysis
- Supports environmental safety programs
- Standardized testing procedure
Our ASTM D7574 Testing Procedure
Sample pH Adjustment & SPE
The sample is adjusted to pH 2 and passed through a SPE cartridge to isolate BPA.
1Solvent Extraction
BPA is extracted using methyl tert-butyl ether.
2Solvent Exchange & Volume Adjustment
The extract is exchanged into methanol, concentrated, and the final volume adjusted.
3Instrumental Analysis & Identification
LC-MS/MS analysis of the sample identifies BPA.
4ASTM D7574 Test Parameters and Requirements
| Parameter | Details |
|---|---|
| Applicable Samples | Water samples |
| Sample Volume | 250 mL |
| Extraction pH | 2 |
| Final Extract Volume | 1 mL |
| Solvent Used | Methyl tert-butyl ether, methanol |
| Detection Technique | LC-MS/MS |
- Solid-phase extraction system
- SPE cartridges
- Liquid chromatograph
- Tandem mass spectrometer (MS/MS)
- pH meter
- Concentrator/evaporator
- Analytical balance
- Data acquisition software
Equipment and Instrumentation Used for ASTM D7574 Testing
What You Receive: Test Report, Data, and Certification
- BPA concentration values
- Chromatograms
- Calibration curves
- Quality control reports
ASTM D7574 Bisphenol A Water LC MS MS FAQs
ASTM D7574 determines Bisphenol A (BPA) qualitatively and quantitatively in environmental water samples. The method uses solid-phase extraction (SPE), followed by liquid chromatography and tandem mass spectrometry (LC-MS/MS) with multiple reaction monitoring (MRM).
ASTM D7574 has been investigated for surface water and secondary and tertiary wastewater treatment effluents. The method has not been investigated for saltwater or solid sample matrices, so applicability should be confirmed for samples outside the validated scope.
Water samples undergo solid-phase extraction to isolate BPA, followed by separation using liquid chromatography. BPA is then identified and quantified using tandem mass spectrometry (MS/MS) with multiple reaction monitoring.
ASTM D7574 specifies a method detection limit (MDL) and reporting limit (RL) for BPA. The applicable detection and reporting levels should be confirmed from the current method and laboratory validation data before testing, particularly for trace-level environmental monitoring.
BPA can enter environmental waters through sources such as industrial discharges, wastewater treatment effluents, landfill leachate, and degradation of polycarbonate plastics and epoxy resins. ASTM D7574 provides a sensitive LC-MS/MS approach for monitoring BPA in applicable water matrices and supporting environmental assessment and compliance programs.
Why Choose Infinita Lab for Bisphenol A Water LC MS MS Testing
At the core of this breadth is our network of 2,000+ accredited laboratories across the USA, offering access to over 10,000 testing methods and analytical services. From advanced materials characterization (SEM, TEM, RBS, XPS) to mechanical, chemical, environmental, biological, and standardized ASTM/ISO-compliant testing, we deliver unmatched flexibility, specialization, and scale. You are never limited by geography, facility, or methodology — Infinita Lab connects you to the right expertise and testing solution, every time.
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