Standard for GC?GC reference standard — characterized compound for calibrating GC methods. Use to build calibration curves and verify GC quantitation.Analytical standard?Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods.
Standard for GC?GC reference standard — characterized compound for calibrating GC methods. Use to build calibration curves and verify GC quantitation.≥99.5%(GC)
Analytical standard?Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods.≥99.5%(GC)
Suitable for molecular biology?Molecular-biology grade — free of nucleases and contaminants that degrade DNA/RNA. Use in cloning, PCR, and nucleic-acid work needing clean reagents.Electrochemical grade?Electrochemical grade — purity controlled for clean, reproducible electrochemistry. Use for electrolytes and electrode work needing low background currents.for Ion pair chromatography?Ion-pair chromatography grade — reagents suited to ion-pairing LC separations. Use to retain and resolve ionic analytes via ion-pair reagents.
Suitable for molecular biology?Molecular-biology grade — free of nucleases and contaminants that degrade DNA/RNA. Use in cloning, PCR, and nucleic-acid work needing clean reagents.
Electrochemical grade?Electrochemical grade — purity controlled for clean, reproducible electrochemistry. Use for electrolytes and electrode work needing low background currents.≥99%
for Ion pair chromatography?Ion-pair chromatography grade — reagents suited to ion-pairing LC separations. Use to retain and resolve ionic analytes via ion-pair reagents.≥99%(AT)
Suitable for molecular biology?Molecular-biology grade — free of nucleases and contaminants that degrade DNA/RNA. Use in cloning, PCR, and nucleic-acid work needing clean reagents.≥99%(AT)
Isochromatic grade?Isochromatic grade — controlled for uniform color/optical response. Use in optical or colorimetric work needing consistent chromatic behavior.
Isochromatic grade?Isochromatic grade — controlled for uniform color/optical response. Use in optical or colorimetric work needing consistent chromatic behavior.≥99.9%
AR?Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results.
AR?Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results.≥99%
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