Appearance:Dark Blue Crystalline Powder. Ph: 7.82 6.0-9.0 Appearance Of Solution: No Residue Remains On Filter Paper Guaiazulene: 97.4% Min. 95.0% (Percent Transmission) Moisture: 3.36% 2.5-6.0% Heavy Metals Conforms. Max:. 20PPM Arsence Conforms. Max.: 5PPM Loss On Drying: 0.51% Max. 3.5% Content :98.93% 98.0%~102.0%(Dried Substance) Storage Store Tightly Closed In a Cool And Dry Place
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