10 PBBs Mixed Standard: Accurate PBB Analysis in Toluene

10 PBBs Mixed Standard is a certified multi-component reference solution containing ten polybrominated biphenyl congeners dissolved in toluene, designed to support accurate quantitative analysis in environmental, food safety, and regulatory compliance testing.

SKU

P1539237

Number of Congeners

10 polybrominated biphenyl (PBB) congeners

Solvent Matrix

Toluene

Application

Environmental monitoring, RoHS/ELV compliance, food safety residue analysis

Storage Recommendation

Store away from light and heat in a well-ventilated area; follow solvent safety guidelines for toluene

Supplier Reference

PT72001MK-50T

What Are Polybrominated Biphenyls (PBBs)?

Polybrominated biphenyls (PBBs) are a class of synthetic halogenated aromatic compounds in which bromine atoms are substituted onto a biphenyl backbone. Depending on the number and positions of bromine substituents, up to 209 distinct congeners are theoretically possible. PBBs were historically used as additive flame retardants in plastics, textiles, and electronic components.

Due to their persistence, bioaccumulation potential, and toxicological concerns — including endocrine disruption and carcinogenicity — PBBs are now heavily regulated or banned under multiple international frameworks, including the EU RoHS Directive, the Stockholm Convention on Persistent Organic Pollutants, and various national legislation. Accurate analytical standards are therefore essential for regulatory compliance monitoring, environmental residue studies, and food safety surveillance.

Product Description and Composition

The 10 PBBs Mixed Standard (SKU: P1539237) is a ready-to-use reference solution containing ten polybrominated biphenyl congeners in a toluene matrix. Toluene is the preferred solvent for PBB standards because of its excellent solvating power for hydrophobic halogenated aromatics and its compatibility with common chromatographic techniques such as GC-MS and GC-ECD.

This product is also referenced under supplier code PT72001MK-50T. The mixed standard format eliminates the need for individual in-house weighing and dilution of multiple congeners, reducing preparation error and saving laboratory time. Each lot is intended for use as a calibration standard, instrument performance verification, or spike recovery assessment in validated analytical methods.

Analytical Applications and Regulatory Context

PBB mixed standards are primarily employed in the following analytical contexts:

• RoHS and ELV Compliance Testing: The EU Restriction of Hazardous Substances (RoHS) Directive restricts PBBs in electrical and electronic equipment to a maximum concentration of 0.1% by weight per homogeneous material. Mixed standards enable laboratories to construct calibration curves and verify method detection limits accordingly.
• Environmental Monitoring: Sediment, soil, water, and biota samples from contaminated sites may be screened for PBB residues using GC-MS or HRMS methods, with mixed standards serving as quantification references.
• Food and Feed Safety: Regulatory agencies monitor PBB residues in animal-derived food products. Multi-congener standards facilitate simultaneous determination across a broad concentration range.
• Method Development and Validation: Laboratories developing or validating ISO, EPA, or EN-compliant methods use certified mixed standards for linearity, precision, and accuracy assessments.

Gas chromatography coupled with mass spectrometry (GC-MS) or electron capture detection (GC-ECD) are the most widely used separation and detection platforms for PBB analysis.

Handling, Safety, and Storage

This product is supplied in a toluene matrix. Toluene is a flammable liquid and vapour (Flash point approximately 4 °C), and chronic exposure is associated with neurological effects. Users must observe the following precautions:

• Handle in a fume hood or well-ventilated area at all times.
• Wear appropriate personal protective equipment including solvent-resistant gloves, safety glasses, and a lab coat.
• Store in a tightly sealed container away from ignition sources, heat, and direct sunlight, at the temperature specified on the product label.
• Dispose of waste in accordance with local regulations for halogenated organic solvents.

PBB congeners themselves are persistent organic pollutants; avoid skin contact and ingestion. Consult the Safety Data Sheet (SDS) prior to use.

Frequently asked questions

What congeners are included in the 10 PBBs Mixed Standard?

The product contains ten polybrominated biphenyl congeners dissolved in toluene. The specific congener identities and concentrations are detailed on the product Certificate of Analysis (CoA). Please contact Aladdin Scientific or request the CoA for the precise congener list.

Which analytical instruments are compatible with this standard?

The 10 PBBs Mixed Standard in toluene is compatible with GC-MS (EI and NCI modes), GC-ECD, and GC-HRMS platforms, which are the standard techniques for PBB congener analysis. Always verify solvent compatibility with your specific instrument and column specifications before use.

How should the standard be diluted for calibration purposes?

Dilutions should be prepared using HPLC-grade toluene or another compatible solvent to maintain matrix consistency and analyte stability. Prepare working standards fresh or validate storage stability of diluted solutions for your specific application. Refer to your validated method protocol for target calibration concentrations.

Is this standard suitable for RoHS compliance testing?

Yes, multi-congener PBB standards in toluene are routinely used in laboratories performing RoHS compliance testing for PBBs in electrical and electronic equipment. Confirm that your method meets the specific requirements of the applicable standard (e.g., IEC 62321 series) and that the standard's certified concentration values fulfil your method's calibration range requirements.

What are the storage conditions for this product?

Store the 10 PBBs Mixed Standard in a tightly closed container, protected from light, heat, and ignition sources, in a well-ventilated storage area designated for flammable solvents. Refer to the product label and SDS for the specific recommended storage temperature.

References

1. European Parliament and Council. Directive 2011/65/EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS recast). Official Journal of the European Union, 2011.
2. Stockholm Convention on Persistent Organic Pollutants. United Nations Environment Programme (UNEP). Polybrominated biphenyls (PBBs) listed in Annex A.
3. IEC 62321 series. Determination of certain substances in electrotechnical products. International Electrotechnical Commission.

Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.