Hainan Provincial Standard of the People's Republic of China
Status
Latest
DB46/T 13-1999
Replace By
ANSI/ASSE Z359.0-2009
Scope
This standard specifies the definition, classification, quality grade, test methods, inspection rules, marking, packaging, transportation, storage, use and maintenance of seawater cultured pearls. This standard applies to seawater cultured nucleated pearls artificially cultivated in seawater environments, but does not apply to seawater cultured nucleated pearls and seawater natural pearls.