ADVANTEC ALB酸碱测试纸/PH试纸 pH Test Papers
品名:ALB (Alkali blue)货号:07010080测试范围pH:11.0 ~ 13.6
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)