ADVANTEC PR酸硷测试纸pH Test Papers
品名:PR (Phenol red)货号:07010150测试范围pH:0.0 ~ 1.6/6.6 ~ 8.2
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)