保护柱的作用：
. 减少了脏样品对柱子性能的影响.
. 减少了故障停机时间和维护.
. 应用广泛.
. 能用于大多数常见的溶剂.
. 最高使用温度: 325°C
用格勒布试剂检测直径大于0.10毫米的保护柱，以确保高惰性。
| Description | Length | OD | qty. | Cat.# | |||
| 0.025mm* | |||||||
| IP Deactivated Guard Column | 1-Meter | 0.363 ± 0.012mm | ea. | 10097 | |||
| 0.05mm* | |||||||
| IP Deactivated Guard Column | 1-Meter | 0.363 ± 0.012mm | ea. | 10098 | |||
| IP Deactivated Guard Column | 5-Meter | 0.363 ± 0.012mm | ea. | 10040 | |||
| IP Deactivated Guard Column | 5-Meter | 0.363 ± 0.012mm | 6-pk. | 10040-600 | |||
| 0.075mm* | |||||||
| IP Deactivated Guard Column | 1-Meter | 0.363 ± 0.012mm | ea. | 10099 | |||
| 0.10mm* | |||||||
| IP Deactivated Guard Column | 1-Meter | 0.363 ± 0.012mm | ea. | 10100 | |||
| IP Deactivated Guard Column | 5-Meter | 0.363 ± 0.012mm | ea. | 10041 | |||
| 0.15mm | |||||||
| IP Deactivated Guard Column | 1-Meter | 0.363 ± 0.012mm | ea. | 10101 | |||
| IP Deactivated Guard Column | 5-Meter | 0.363 ± 0.012mm | ea. | 10042 | |||
| 0.18mm | |||||||
| IP Deactivated Guard Column | 1-Meter | 0.37 ± 0.04mm | ea. | 10102 | |||
| IP Deactivated Guard Column | 5-Meter | 0.37 ± 0.04mm | ea. | 10046 | |||
| IP Deactivated Guard Column | 5-Meter | 0.37 ± 0.04mm | 6-pk. | 10046-600 | |||
| 0.25mm | |||||||
| IP Deactivated Guard Column | 5-Meter | 0.37 ± 0.04mm | ea. | 10043 | |||
| IP Deactivated Guard Column | 5-Meter | 0.37 ± 0.04mm | 6-pk. | 10043-600 | |||
| IP Deactivated Guard Column | 10-Meter | 0.37 ± 0.04mm | ea. | 10049 | |||
| IP Deactivated Guard Column | 10-Meter | 0.37 ± 0.04mm | 6-pk. | 10049-600 | |||
| IP Deactivated Guard Column | 30-Meter** | 0.37 ± 0.04mm | ea. | 10012 | |||
| IP Deactivated Guard Column | 60-Meter**† | 0.37 ± 0.04mm | ea. | 10013 | |||
| 0.28mm | |||||||
| IP Deactivated Guard Column | 5-Meter | 0.37 ± 0.04mm | ea. | 10003 | |||
| IP Deactivated Guard Column | 5-Meter | 0.37 ± 0.04mm | 6-pk. | 10003-600 | |||
| 0.32mm | |||||||
| IP Deactivated Guard Column | 5-Meter | 0.45 ± 0.04mm | ea. | 10044 | |||
| IP Deactivated Guard Column | 5-Meter | 0.45 ± 0.04mm | 6-pk. | 10044-600 | |||
| IP Deactivated Guard Column | 10-Meter | 0.45 ± 0.04mm | ea. | 10048 | |||
| IP Deactivated Guard Column | 10-Meter | 0.45 ± 0.04mm | 6-pk. | 10048-600 | |||
| IP Deactivated Guard Column | 30-Meter** | 0.45 ± 0.04mm | ea. | 10022 | |||
| IP Deactivated Guard Column | 60-Meter**† | 0.45 ± 0.04mm | ea. | 10023 | |||
| 0.45mm | |||||||
| IP Deactivated Guard Column | 5-Meter | 0.69 ± 0.04mm | ea. | 10005 | |||
| IP Deactivated Guard Column | 5-Meter | 0.69 ± 0.04mm | 6-pk. | 10005-600 | |||
| 0.53mm | |||||||
| IP Deactivated Guard Column | 5-Meter | 0.69 ± 0.05mm | ea. | 10045 | |||
| IP Deactivated Guard Column | 5-Meter | 0.69 ± 0.05mm | 6-pk. | 10045-600 | |||
| IP Deactivated Guard Column | 10-Meter | 0.69 ± 0.05mm | ea. | 10047 | |||
| IP Deactivated Guard Column | 30-Meter** | 0.69 ± 0.05mm | ea. | 10032 | |||
| IP Deactivated Guard Column | 60-Meter**† | 0.69 ± 0.05mm | ea. | 10033 | |||
*因为存在一个大的压降，没有用格勒布试剂进行检测 .
**30米和60米长度是按5米一节标记好的.
†建议：切割60m保护柱为较短的长度。使用全长的保护柱可能引起峰的变形。
