Contact person:Kitty Liang
Tel：+86-0771-2610277
+86 13481140850
Fax：+86-0771-2449722
E-mail: st-rosin@hotmail.com
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Synthetic Camphor Technical Standard (GB/T 4895-2007)
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2010-03-09 Hits
：4026 songtao business |
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Grade
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appearance
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specific rotation [α]20D
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melting point
(℃)
≥
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Purity
(%)
≥
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non-volatile matter
(%)
≤
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alcohol insoluble (%)
≤
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Super Grade
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White,powder, crystals
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-1.50~+1.50
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174．0
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96.0
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0.05
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0.01
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1
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170．0
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95.0
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0.05
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0.01
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2
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165．0
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94.0
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0.10
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0.015
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