ADVANTEC AZY酸碱测试纸PH试纸pH Test Papers
品名:AZY (Alizarin yellow)货号:07010070测试范围pH:10.0 ~ 12.0
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)
天美影视咨询