Phenolphthalien
Contact Info
- Add:Rm.1503, No. 164, Jianghan North Rd., Wuhan, 430022 China., Zip: 430022
- Contact: Dr. Allen Zhang
- Tel:86-27-85736489
- Email:sales@kemiworks.com; info@kemiworks.net
Other Products
Package:25KG/fibre drum Pharmacy grade BP2009 / EP6 Appearance White powder Assay 98.0% -101.0% Melting point 260’C min. Identification Positive Acidity or alkaline Pass Solution appearance Pass Related substances 0.5% max Chloride 100ppm Max Sulfate 200ppm Max Heavy metals 10ppm Max Loss on drying 0.5% max. Sulfate ash 0.1% max Reagent grade Appearance White powder PH transition interval 8.0(colorless)-10 (dark purple-red) Mass-absorption coefficient (L/cm.g) 68.5-75.0 Ethanol soluble test Qualified Residue on ignition ( as sulfate) 0.05% min. Loss on drying 1.0% min
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