Chem Service Best Sellers!
More than 95% of Chem Services standards Grade materials have a certified purtiy of 98.0% or greater and do not require purity corrections when preparing solutions for use with EPA, USTM, UST, and numerous other international methods. You can trust that their high purity standards are a quality product.
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Nicotine ; 1-Methyl-2-[3-pyridyl]pyrrolidine; Black Leaf 40; PS-85; F2123
Methanol , F2453 O-157
2-Iodopropane , O-647
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