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纯度
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> 98%
>90%
>95%
>97%
>98%
≥95.0%
≥95%
≥95%, FG
≥97.0% (HPLC)
≥97%, FG
≥98%
≥98%, FCC, FG
≥98%, FG
≥99.0% (GC)
≥99%
≥99%, FG
0.5 M in THF
0.97
50 wt. % in H2O, 98%
80.0%(GC)
80.0%(NMR)
85.0%(GC)
85.0%(LC&T)
85%
85+%
90.0%(GC)
90%
92%
94.0%(GC)
95.0%(GC)
95.0%(LC&N)
95.0%(T)
95%
95%+
95+%
96.0%(GC)
96.0%(T)
96%
97.0%(GC)
97.0%(GC&T)
97.0%(LC)
97.0%(LC&T)
97.0%(T)
97.5%
97%
97%, contains 200 ppm monomethyl ether hydroquinone as inhibitor
98.0%(GC)
98.0%(GC&T)
98.0%(LC)
98.0%(LC&E)
98.0%(LC&N)
98.0%(LC&T)
98.0%(T)
98.0%(T&GC)
98%
98+%
99.0%(GC)
99.0%(GC&T)
99.5%
99.5%(GC)
99%
absolute, stored over molecular sieve
ACS reagent, 99%
AldrichCPR
anhydrous, ≥99.9%, inhibitor-free
BioRenewable, anhydrous, ≥99.0%, contains 250 ppm BHT as stabilizer
BioRenewable, anhydrous, ≥99%, Inhibitor-free
contains 200-400 BHT as stabilizer, 99%
contains 500 ppm hydroquinone as inhibitor, 500 ppm monomethyl ether hydroquinon
contains 75 ppm HQ as inhibitor, 900 ppm MEHQ as inhibitor, 97%
inhibitor-free, purification grade
min. 95%
min. 98%
N/A
natural, ≥98%, FCC, FG
natural, ≥98%, FG
ReagentPlus?, 98%
tech
Tech.
technical grade
technical grade, 90%
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