puriss.?Puriss. (Latin 'purissimum') — very high purity, typically ≥98.5–99%. Use when you need a clearly defined high-purity material above standard grades.ACS?ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity.puriss. p.a.?Puriss. pro analysi — very high purity suitable for analysis, meeting recognized analytical specs. Use for analytical work demanding certified high purity.PrimorTrace™?PrimorTrace™ — Aladdin's trace-metal-analysis line with ultra-low metal background. Use for ICP/AAS trace-metal work where contamination must be minimal.AR?Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results.
puriss.?Puriss. (Latin 'purissimum') — very high purity, typically ≥98.5–99%. Use when you need a clearly defined high-purity material above standard grades.≥99%
ACS?ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity.≥99%
puriss. p.a.?Puriss. pro analysi — very high purity suitable for analysis, meeting recognized analytical specs. Use for analytical work demanding certified high purity.ACS?ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity.≥99.5%
PrimorTrace™?PrimorTrace™ — Aladdin's trace-metal-analysis line with ultra-low metal background. Use for ICP/AAS trace-metal work where contamination must be minimal.≥99.99% metals basis
AR?Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results.
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