ADVANTEC 紅石蕊酸堿測試紙pH Test Papers
品名:紅石蕊(Litmus Red)貨號:07020020
測試范圍pH:測鹼包裝:書型7mm x 70mm(L)20張/冊,10冊/盒 卷型9mm x 6M或9mm x 5.5M(R)