“For Atomic Absorption Spectroscopy” Reagents: What It Means & When to Use
“For atomic absorption spectroscopy” (often shown as AAS grade) identifies reagents and standards formulated so their trace metal background is extremely low and lot-to-lot composition is tightly controlled—so blanks stay quiet and calibration stays linear at ppb–ppt levels.
危险品化学品经营许可证（带存储）