有机化学
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膦酸/次膦酸盐
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Amethyst
J&K
Fluorochem-B
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Accela
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Matrix
Aldrich
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纯度
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>95%
>96%
>97%
≥80%
≥94% (HPLC)
≥95.0%
≥95.0% (HPLC)
≥95%
≥97.0% (HPLC)
≥97.0% (T)
≥97%
≥97% (enzymatic)
≥98.0% (AT)
≥98.0% (CHN)
≥98.0% (gravimetric)
≥98.0% (T)
≥98%
≥99.9% trace metals basis
0.5 M in THF
1.0 M in H2O
50% in propylene carbonate
65-70% P2O5 basis
75.0%(GC)
85.0%(LC)
85.0%(T)
85%
90.0%(LC)
90.0%(T)
90%
94.0%(LC)
95.0%(LC&T)
95.0%(T)
95%
95+%
96%
97.0%(N)
97.0%(N&T)
97.0%(T)
97%
98 atom % D
98.0%
98.0%(LC)
98.0%(LC&E)
98.0%(LC&N)
98.0%(LC&QNMR)
98.0%(LC&T)
98.0%(N)
98.0%(N&T)
98.0%(T)
98.0%(T&LC)
98%
98%, complies for IR spectroscopy
99.0%(LC)
99.0%(T)
99%
AldrichCPR
crystalline, +200 mesh, 96%
min. 95%
min. 97%
min. 98%
N/A
technical
Type I, ≥96% (HPLC)
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