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Monoquat iodide — Reference Materials for Residue Analysis
Monoquat iodide Precision Reference Materials for Confident Residue Analysis
Secure robust LC-based quantification with HPC Standards high-purity Monoquat iodide reference materials. Calibrate with confidence, validate LC-MSMS or LC-UV methods, and meet regulatory limits across water, soil, and crop matrices. Our certified materials come with full CoA, traceability, and uncertainty dataplus custom concentrations, mixed standards, and matrix-matched solutions to streamline accreditation and QAQC. Rely on HPC Standards, your specialist partner for pesticide reference materials and isotope-labelled derivatives in food and environmental analysis.
Product | Catalog No./ CAS No. | Quantity | Price | |
|---|---|---|---|---|
ISO 17034 Reference Material |  | 692833 | 1X10MG | |
ISO 17034 Certified Reference Material D3-Monoquat iodide solution |  | 692834 | 1X1ML | |
ISO 17034 Reference Material |  | 692831 | 1X10MG | |
ISO 17034 Certified Reference Material Monoquat iodide solution |  | 692832 | 1X1ML |
High-purity reference materials for Monoquat iodide to support accurate quantification, method validation, and regulatory compliance in food and environmental analysis.
Overview
Monoquat iodide is a quaternary ammonium herbicidal active, supplied as an iodide salt of a cationic nitrogen-containing compound. It is used in agricultural and non-agricultural settings for contact control of unwanted vegetation. As a cationic, highly water-soluble substance, it requires targeted analytical approaches and robust quality controls to ensure reliable residue determination in complex matrices.
HPC Standards GmbH provides certified reference materials for Monoquat iodide to support calibration, system suitability, method development, and ongoing quality assurance.
Chemical Identity
• Class: Quaternary ammonium (cationic) herbicide; supplied as an iodide counterion salt.
• Typical properties: high water solubility; strong interaction with negatively charged sorbents; low volatility; thermally labile for GC conditions (LC-based methods preferred).
• Implication for analysis: favors LC-MS/MS or LC-UV with ion-pairing or HILIC modalities; requires control of ionization and matrix effects.
Uses and Applications
• Non-selective, contact herbicidal applications for vegetation management in agriculture, horticulture, and non-crop areas.
• May be used in desiccation or burn-down programs depending on local authorization.
• Industrial hygiene monitoring may be required for handling concentrates and during mixing/loading operations.
Mode of Action
• Rapid contact activity at the site of application with limited systemic translocation.
• Disruption of cellular integrity and oxidative stress pathways typical of cationic contact herbicides.
• Visible phytotoxic effects often occur quickly on treated foliage.
Regulatory Landscape
• Authorization and approved uses vary by jurisdiction; check national pesticide registers.
• Maximum residue limits (MRLs) for food and feed commodities may be established by regional authorities (e.g., EU, Codex, national agencies).
• Worker protection standards, re-entry intervals, and buffer zones may apply depending on product labels and local regulation.
Occupational and Process Safety
• Implement closed-transfer systems where feasible; use chemical-resistant gloves, eye/face protection, and protective clothing during handling of concentrates.
• Provide local exhaust ventilation during weighing and solution preparation in laboratories and production environments.
• Maintain spill kits compatible with cationic surfactants/herbicides; prevent releases to drains and surface waters.
Health Impact (Human Toxicity)
• Acute exposure may cause irritation or corrosive effects to eyes, skin, and mucous membranes; ingestion or inhalation of aerosols can be hazardous.
• Cationic surfactant-like behavior can disrupt cellular membranes; systemic toxicity profiles depend on formulation and dose.
• Medical management focuses on supportive care; avoid inducing emesis; refer to product SDS and poison control guidance.
Environmental Impact
• Strong sorption to soils and sediments due to cationic nature; mobility is typically limited in mineral soils but can vary with organic matter and ionic strength.
• Hydrolysis and photolysis depend on pH and light exposure; degradation may be slower in dark, anoxic environments.
• High affinity for particulates can lead to distribution to sediment compartments; wastewater treatment removal may involve adsorption to sludge.
Effects on Wildlife
• Toxicity to aquatic organisms is a concern for cationic quaternary compounds; avoid off-target drift and runoff to surface waters.
• Risk mitigation includes vegetative buffer strips, equipment calibration, and adherence to label restrictions near water bodies.
Residue Monitoring and Compliance
• Matrices: water (surface, ground, drinking), soil/sediment, crops (leafy greens, cereals, fruits), processing by-products.
• Monitoring programs should align with MRLs and environmental quality standards; apply matrix-appropriate extraction and cleanup.
• Use matrix-matched calibration and internal standards to control ion suppression/enhancement in LC-MS/MS.
Analytical Methods
• Preferred platforms: LC-MS/MS (MRM), LC-UV/FLD for screening where sensitivity allows; GC is generally unsuitable without derivatization.
• Chromatography: HILIC or reversed-phase with ion-pairing; cation-exchange retention can be leveraged for selectivity.
• Detection: Positive ESI with optimized desolvation; monitor characteristic product ions; confirm with secondary transitions and ion ratios.
• Performance targets: linear calibration across relevant ranges; LOD/LOQ meeting regulatory or project-specific limits; recovery 70–120% with RSD ≤20% depending on matrix and level.
Sample Preparation
• Aqueous matrices: direct injection after filtration or SPE cleanup (mixed-mode strong cation-exchange).
• Food/plant matrices: aqueous acidic extraction; optional QuEChERS adaptation with post-extraction SPE (SCX) to reduce matrix effects.
• Soil/sediment: aqueous extraction with ionic-strength and pH control; centrifugation and SPE cleanup to remove colloids.
Reporting, QA/QC, and Uncertainty
• Employ calibration with certified reference materials and, where available, isotopically labelled internal standards for Monoquat iodide or closely related analogues.
• Include method blanks, matrix spikes, duplicates, and continuing calibration verification; establish measurement uncertainty according to ISO/IEC 17025 principles.
Storage and Stability
• Store solid reference materials tightly closed, protected from light and moisture, at recommended temperatures.
• Prepare analytical solutions in high-purity water or water–organic mixtures; store in amber vials at controlled temperatures; verify stability with control charts and requalification intervals.
Cross-Interferences and Metabolites
• Potential interferences from other cationic herbicides or quaternary ammonium compounds; ensure chromatographic resolution and unique MRM transitions.
• Track possible transformation products where required by monitoring plans; validate identification criteria for non-target signals.
Analytical Reference Materials
• HPC Standards GmbH supplies Monoquat iodide reference materials with detailed certificates of analysis covering purity, identity, uncertainty, and traceability.
• Custom concentrations, mixed-calibration solutions, and matrix-matched materials are available upon request to support method development and accreditation.
Related Compounds
• Structurally or functionally related cationic contact herbicides may be included in multi-residue methods; consider panel reference materials for comprehensive screening.
Transportation and Handling
• Shipments follow applicable transport regulations; maintain chain-of-custody and temperature conditions as specified in documentation.
• Upon receipt, inspect packaging, confirm lot numbers, and reconcile certificates before use in calibration and QC.
Why HPC Standards
• Specialist manufacturer of reference materials for pesticides, veterinary drugs, metabolites, and isotope-labelled derivatives.
• Products tested according to international quality requirements and aligned with highest industrial standards for food and environmental analysis.
• Technical support for method setup, stability guidance, and compliance with regulatory frameworks.