有机化学
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磺酸与亚磺酸
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Amethyst
J&K
Fluorochem-B
Frontier
Strem
Accela
Apollo
TCI
Key Organics
Matrix
Aldrich
纯度
全部
>95%
>96%
>97%
≥95%
≥96%
≥97.0% (T)
≥97%
≥98.0% (T)
≥98%
250, for microscopy
30-35%
70 wt. % in isopropanol
70.0%(T)
70%
75.0%(T)
85.0%(T)
85%
90.0%(T)
92+%
93.0%(T)
94.0%(T)
94%
95.0%(LC&T)
95.0%(T)
95%
95+%
96.0%(LC&T)
96.0%(T)
97.0%(LC&T)
97.0%(T)
97%
98 atom % D
98.0%(LC)
98.0%(LC&T)
98.0%(T)
98.0%(T&LC)
98.5%
98%
99.0%
99.0%(LC&T)
99.0%(T)
99.5%
99.8%
99.9%
99.998%
99%
AldrichCPR
min. 97%
mixture of isomers, ≥95%
N/A
ReagentPlus?, ≥99%
technical grade, 85%
technical grade, 90%
technical, ~80% (T)
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100ml
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1l
2.5g
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2.5l
250g
250mg
250ml
25g
25mg
25ml
2g
5000g
500g
500mg
500ml
50g
50mg
5g
5kg
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