Sigma-Aldrich
Aluminum heating/cooling block
铝制加热/冷却块
Aluminum-cobalt alloy, Al99.9Co0.1
Aluminum-iron alloy, Al50Fe50
Aluminum-magnesium alloy, Al97.5Mg2.5
Aluminum-magnesium alloy, Al97Mg3
![BENZALDEHYDE {7-[3-(4-ETHYLPHENOXY)-2-HYDROXYPROPYL]-3-METHYL-2,6-DIOXO-2,3,6,7-TETRAHYDRO-1H-PURIN-8-YL}HYDRAZONE](http://www.vuestras.com/sigma-aldrich/data/daily/2022/03/27/213910_083305_ex_200440.png)
![BENZALDEHYDE [7-(2-CHLOROBENZYL)-1,3-DIMETHYL-2,6-DIOXO-2,3,6,7-TETRAHYDRO-1H-PURIN-8-YL]HYDRAZONE](http://www.vuestras.com/sigma-aldrich/data/daily/2022/03/27/213852_248882_ex_200441.png)
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