有机化学
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膦酸酯/次膦酸酯
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Amethyst
J&K
Strem
Accela
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Fluorochem-B
Matrix
Aldrich
纯度
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>95%
>95% (HPLC)
>96%
>97%
>98%(GC)
≥90.0%
≥95.0% (GC)
≥95%
≥95% (GC)
≥97.0% (GC)
≥97.0% (qNMR)
≥97.0% (T)
≥97%
≥97% (HPLC)
≥98.0%
≥98.0% (HPLC)
≥98%
≥99%
40 wt. % in H2O
75.0%(LC)
75%
80%
85.0%(T)
90.0%(GC)
90.0%(T)
90%
92.0%(GC)
93.0%(GC)
93.0%(T)
94.0%(GC)
94.0%(T)
94%
95.0%(GC)
95.0%(LC)
95.0%(NMR)
95.0%(T)
95%
95+%
96.0%(GC)
96.0%(LC)
96.0%(LC&T)
96.0%(T)
96%
97.0%(GC)
97.0%(LC)
97.0%(LC&T)
97.0%(N)
97.0%(T)
97.5%
97%
98.0%()
98.0%(GC)
98.0%(LC)
98.0%(LC&N)
98.0%(LC&T)
98.0%(N)
98.0%(T)
98%
98%, (99% ee)
99.0%(GC)
99.0%(LC)
99.0%(LC&T)
99.0%(T)
99.998% trace metals basis
99%
AldrichCPR
contains 700-1000 ppm monomethyl ether hydroquinone, 90%
N/A
NMR reference standard, 0.0485 M in acetone-d6 (99.9 atom % D)
reagent grade
ReagentPlus?, ≥99.8%
technical grade
technical grade, 90%
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1ml
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200mg
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250ml
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25ml
500g
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500ml
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5mg
5ml
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