125-0502 美国伯乐 BIO-RAD 保护柱芯 Micro-Guard IG Cation H Cartridges

Pkg of 1, 150 x 7.8 mm, prepacked HPLC organic acid and alcohol column, hydrogen form, 9 μm particle size, 8% cross linkage, pH range 1–3，

Micro-Guard Cation H Refill Cartridges #125-0129 

Pkg of 2, 30 x 4.6 mm, guard column, hydrogen form, pH range 1–3, for Aminex® hydrogen-form columns

Micro-Guard IG Cation H Cartridges #125-0502  

Pkg of 2, 30 x 4.6 mm, industrial grade guard catridge, hydrogen form, pH range 1–3, for Aminex hydrogen-form columns