*Isobutane Standard, 5000 µg/mL in 1,2,4-Trimethylbenzene, CAS # 75-28-5, 2 mL

Restek

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RK36021

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Designed for cannabis labs testing residual solvents gases at different threshold limits by headspace GC.
Our proprietary manufacturing process was optimized to ensure standards are accurate, reproducible, and stable.
High analyte concentrations allow for flexible calibration curves.
Second independent lots available to ensure you can meet your requirements without needing to source another supplier.
Verified composition and stability.