有机化学
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铅催化剂
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Amethyst
J&K
Strem
Accela
Apollo
TCI
Aldrich
纯度
全部
(99.5%)
(99.9+%)
(99.99%-Pb)
(99.999%-Pb)
(99.999%)
(99.999+%-Pb)
≥98%
≥99.99% trace metals basis
≥99.995%
≥99%
325?mesh
50?wt. % in H2O
95.0%(T)
95%
96.0%(T)
97%
97+%
98.0%(T)
98.5%
98%
98+%
99.5%
99.5% trace metals basis
99.9% trace metals basis
99.9% trace metals basis, ?100?mesh
99.98%
99.999%
99.999% trace metals basis
99%
99+%
AldrichCPR
anhydrous, beads, ?10?mesh, 99.999%
Dye content 80?%
Dye content 90?%
min. 95%
min. 97%
min. 98%
N/A
powder, <5?μm, ≥99%
powder, 98%
technical grade
technical grade, 90%
规格
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100g
10g
1ea
1g
1kg
1l
2.5kg
200mg
250g
250mg
250ml
25g
2kg
500g
50g
50mg
5g
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