草本药物一级标准品，均经色谱和NMR双重方法测定组分含量，水份含量（Karl Fishcer方法测定）和溶剂残留都经测定并严格控制，确保证书上各指标高度可靠。 

Hypericin
primary reference standard

Description
Application Reference standard in the analysis of herbal medicinal products.
General description Produced by HWI Analytik
Exact content can be found on the certificate



Properties
grade primary reference standard
CofA certificate is enclosed in each package
storage temp. −20°C



Safety
Symbol GHS06
Signal word Danger
Hazard statements H301-H317
Precautionary statements P280-P301 + P310
WGK Germany 3