岛津OV-17+QF-1混合色谱柱分析666，DDT农残2m*5mm

Replacing measurement items tend to be transformed column, the operation is complicated and time-consuming. To maximize the effectiveness of gas chromatography and choose a few pieces of the more commonly used as a universal column column will be very meaningful.
Tengzhou City Technology Co., Ltd. Xiangying analysis developed glass column packed with OV-17 + QF-1, successfully measured pesticide residues 666, ddd residues, accurate and reliable, welcomed the purchase.
            更换测定项目往往要变换色谱柱,操作繁琐费时。为充分发挥气相色谱法的效能,选择几支较常用的色谱柱作为通用柱将是很有实际意义的。
         浩瀚色谱研发出玻璃填充柱OV-17+QF-1，成功测定了农残666，ddd残留，结果准确可靠，欢迎选购。