Custom HPLC Columns Ordering Instructions Alltech offers a large selection of packing materials and formats to createyour own custom HPLC column. Step 1: Select your packing material and particle size from Table 1. Step 2: Select your column format from Table 2. 如需更詳細了解，請致電耐士（ZG）有限公司，400-188-0725或者郵件至zhengp@rysstech.com A-Plus HPC進階加熱磁力攪拌器