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Amethyst
J&K
Fluorochem-B
Frontier
Accela
Apollo
TCI
ChemBridge
Key Organics
Matrix
Aldrich
纯度
全部
>90%
>95%
>97%
>98%
≥90% (GC)
≥95%
≥95% (GC)
≥97.0% (N)
≥97%
≥98%
≥99%
80.0%(GC&T)
85%
90.0%(LC)
90.0%(LC&T)
90%
90+%
93%
95.0%(GC&T)
95.0%(LC&T)
95.0%(T)
95%
95%+
95+%
96.0%(GC&T)
96.0%(T)
96%
97.0%(GC&T)
97.0%(LC&T)
97.0%(T)
97%
97+%
98 atom % 15N
98 atom % 15N, 99% (CP)
98.0%(GC)
98.0%(GC&T)
98.0%(LC)
98.0%(LC&T)
98.0%(T)
98.0%(T&QNMR)
98.5%
98.5%(T)
98%
99.0%(LC)
99.0%(LC&T)
99.0%(T)
99%
AldrichCPR
N/A
ReagentPlus?, 99%
规格
全部
0.1g
0.25g
1000g
100g
100mg
100ml
10g
10mg
14g
1g
1kg
1mg
2.5kg
200mg
200umol
250g
250mg
25g
25mg
2g
500g
500mg
50g
50mg
5g
5mg
5ml
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