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Pesticide Residue Analysis (PRA) Solvents

Sigma solvents for Pesticide Residue Analysis (PRA solvents) are glass-distilled and extensively tested by GC/ECD to ensure minimum halogenated residue levels (<10 ng/Liter unless otherwise indicated). All PRA solvents are available in amber glass bottles.

Product #
Product Name
Grade
324043 Heptane PRA grade, 96% n-isomer basis, ≥99.9% C7 isomers basis 96, 99.9 Practical
316458 Acetonitrile PRA grade, ≥99.9% 99.9 Practical
324051 Methanol PRA grade, ≥99.9% 99.9 Practical
324027 Ethyl acetate PRA grade, ≥99.5% 99.5 Practical
323993 Dichloromethane PRA grade, ≥99.9%, contains 50-150 ppm hydrocarbon as stabilizer 99.9 Practical
316504 Pentane PRA grade, 98.0% n-pentane basis, >99.5%, C5 isomers 98 Practical
323969 Acetone PRA grade, 99.9% 99.9 Practical
324086 2-Propanol 99.9%, PRA grade 99.9 Practical
316490 Hexane, mixture of isomers PRA grade, 99.5% C6 isomers Practical
320633 Cyclohexane ≥99.5%, PRA grade 99.5 Practical
324019 Chloroform PRA grade, ≥99.9%, contains amylenes as stabilizer 99.9 Practical
316466 tert-Butyl methyl ether PRA grade, ≥99% 99 Practical

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