有机化学
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膦酸/次膦酸
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Amethyst
J&K
Fluorochem-B
Strem
Accela
Apollo
TCI
Matrix
Aldrich
纯度
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>99%
≥95%
≥97%
≥98%
≥99%
70 wt. % in H2O
85 wt. % in H2O, 99.99% trace metals basis
85 wt. % in H2O, FCC, FG
90%
95.0%(LC&N)
95.0%(T)
95%
95+%
96%
97.0%(LC&T)
97.0%(T)
97%
98.0%(LC&T)
98.0%(T)
98%
99.0%(T)
99%
AldrichCPR
capacity 200?mL
capacity 250 mL
crystalline, ≥99.999% trace metals basis
min. 95%
N/A
NMR reference standard, 85% in D2O (99.9 atom % D), NMR tube size 3 mm × 8 in.
NMR reference standard, 85% in D2O (99.9 atom % D), NMR tube size 4.2 mm × 8 in.
NMR reference standard, 85% in D2O (99.9 atom % D), NMR tube size 5 mm × 8 in.
technical, ~50% (T)
technical, ~85% (T)
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1000g
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200mg
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500g
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50ml
5g
5mg
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