ADVANTEC BPB酸硷测试纸pH Test Papers
品名:BPB (Bromophenol blue)货号:07010030测试范围pH:2.8 ~ 4.4
包装:书型7mm x 70mm(L)20张/册,10册/盒 卷型9mm x 6M或9mm x 5.5M(R)