DB420,一对纳氏比色管

一对纳氏比色管,250 mm,带玻璃反向半月形柱塞

 

编号 354200

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产品信息

This is a pair of Nessler cylinders with a fill line at 250mm depth for use in the Nessleriser 2250. These tubes are supplied with anti-meniscus plungers 354229.