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Showing 1-28 of 28 results for "pesticides" within Site Content
Neonicotinoids Pesticides and Metabolites
Neonicotinoids have established themselves as key components in insecticides because of their unique selectivity. The mode of action is similar to nicotine.
Pesticides and Residuals: History and Food Safety
Pesticides have played a crucial role in human civilization, preventing diseases and enabling farming, storage, and transport. The food industry can help ensure food chain safety by adopting a risk-based approach, understanding residual pesticide risks, and following established scientific limits.
Pesticides and Mycotoxins in Cannabis and Hemp
The increased use of cannabis plants for therapeutic needs has led to stringent quality testing to ensure product safety. Analysis of cannabis & hemp for residual pesticides and mycotoxins is routinely performed using LC-MS/MS and GC-MS/MS to meet regulatory requirements.
Pesticide Standards
Explore our full lineup of pesticide reference materials: various quality grades including PESTANAL® and TraceCERT®for food, environment analysis.
Comparison of QuEChERS Products for the Extraction of Planar Pesticides from Spinach
Supel™ QuE Verde combines a novel carbon with zirconia coated silica (Z-Sep+) to provide an optimum balance between planar pesticide recovery and color removal.
EU and US Legislation on Pesticides - World Standards Day 2021
To ensure the safety of food and the environment, regulations are tightening worldwide regarding application of pesticides/plant protection products. This webinar will give an overview about the current ways pesticides are being regulated in the EU and U.S.
US EPA Method 632: HPLC Analysis of Pesticides on Ascentis® C18
-methylcarbamate 10 μg/mL; Diuron; Propham; Siduron; Methiocarb, analytical standard; Linuron 10 μg/mL; Swep 10 μg/mL; Chlorpropham 10 μg/mL; Barban; Neburon
Pesticide Classes and Exposure Hazards
Pesticide classes and health hazards from exposure to commercially available pesticides, herbicides, and fungicides.
Pesticide Standards For Food & Environmental Analysis
Analytical Standards & Certified Reference Materials
Analysis of Pesticides in Baby Food by Solid Phase Microextraction (SPME) Using a New Overcoated Fiber
A direct immersion SPME method using a new overcoated SPME fiber was developed for the extraction of pesticides from pureed prune baby food.
QuEChERS Method for Pesticide Residue Analysis
QuEChERS method for pesticide residue analysis requires only small quantities of solvent and is capable of generating recoveries of 70-120% with RSDs <5% for a wide range of compounds.
Complete Workflow for the Analysis of California List of Pesticides in Cannabis by LC-MS/MS and GC-MS/MS
To show product safety, it is mandatory to test cannabis flowers for the presence of pesticides. In this article, we show a complete workflow for sample preparation and analysis of cannabis for the pesticides registered in California, by LC-MS/MS and
Analysis of California Cannabis List of Pesticides, Mycotoxins, and Pyrethrins Using Ascentis® Express Biphenyl Column
Cannabis testing regulations include analysis of purity, potency, and contaminants. Learn more about analysis of cannabis for pesticides, mycotoxins, and pyrethrins registered in California by LC-MS/MS and GC-MS/MS Using Ascentis® Express Biphenyl and SLB®-5ms Columns
Analysis of Pesticides in Turmeric Powder by LC/MS/MS and GC/MS/MS after Cleanup with Dual-Layer SPE Cartridge
Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.
Develop crop protection faster | Pesticide Synthesis
Learn about our broad technology and synthesis portfolios to help you with the discovery, development, and testing phases of the crop protection workflow, to align with plant breeding efforts.
New Preparation Approach for Improved Pesticide Analysis of Challenging Samples
This webinar will introduce new sample preparation approaches leading to improved clean-up and recovery of pesticides in these challenging matrices.
Multiclass Pesticide Analysis of Soy Milk Using a Matrix-Compatible SPME Fiber
Pesticide analysis, SPME Fiber, supelco spme fiber, direct immersion spme, pesticide analysis methods, pesticide analysis by gc-ms, DI-SPME, overcoated SPME, overcoated fibers, soy milk analysis
Analysis of Pesticide Residues in Ginger Powder Using QuEChERS Extraction and Clean-up with a Novel Dual Layer SPE Cartridge
The odor and pungency of ginger is due to the presence of terpenes, gingerols and shogaols. These compounds contribute to the highly complex matrix of ginger, which subsequently presents a challenge in low level analyses of contaminants. A novel 2-layer
Quick, Sensitive LC/MS/MS Analysis of Aflatoxins in Cannabis
Analyte recovery values from spiked cannabis extracts ranged from 102 to 127% with RSD below 12% for 3 replicates. Excellent recovery values were even observed for Aflatoxins B2 and G2 which were spiked at a low level of 6.1 ppb.
Simplified LC-MS/MS Method for Glyphosate, AMPA, and Glufosinate in Oat-Based Cereals
A simplified LC-MS/MS method to determine glyphosate and related compounds using a Supel™ Carbon LC U/HPLC column for stability under higher pH conditions and sufficient retention for the polar analytes in the presence of methanol as an extraction solvent.
Supel™ QuE Z-Sep Sorbents for QuEChERS
QuEChERs is a solid phase extraction (SPE) technique for sample preparation. Supelco's innovative Z-Sep and Z-Sep+ sorbents demonstrated here extract more fat and pigment than traditional PSA/C18 phases while showing greater analyte recovery and greater reproducibility.
Applications of Newly Developed 2.7 μm Porous Graphitic Carbon Particles in U/HPLC
Polar graphitic carbon (2.7 μm) based Ultra/High-performance liquid chromatographic separation of four highly polar pesticides, two polar herbicides―paraquat & diquat, and Vitamin D and its metabolites.
High Purity Carbon Adsorbents for Sample Preparation and Chromatographic Applications
Carbon Molecular sieves (CMS) are a versatile range of adsorbents that can be tailored for specific applications. Supelco® scientists have been synthesizing synthetic CMS carbons for several decades, starting from tailoring of the starting polymers/copolymers, to modifying the final properties
Bromine in Drinking Water, Swimming-Pool Water, Wastewater and Disinfection Solutions
Spectrophotometric determination of bromine with dipropyl-p-phenylenediamine (DPD) in drinking water, swimming-pool water, wastewater, and disinfection solutions in a range of 0.020 – 10.00 mg/L.
LC/MS/MS Method for Determination of Glyphosate, AMPA, and Glufosinate in Cereals
Glyphosate and related compounds are measured in oatmeal and infant cereal using ion-exchange polymer-based particles for HPLC and SPE. Low level detection was obtained.
Determination of 2-Chloroethanol as Marker for Fumigant Ethylene Oxide in Sesame Seeds by HS-SPME-GC-MS
The work describes the development of an HS-SPME-GC-MS method to determine 2-chloroethanol as a marker of fumigant ethylene oxide in different kinds of sesame seed samples.