The ph electrode is a device that is used to measure the electrode potential value on the ph meter in contact with the tested solution. The electrodes used in potentiometric analysis are called primary cells. The galvanic cell is a system that functions to turn the chemical reaction energy into electricity, and the voltage of the battery is called electromotive force. The electromotive force is composed of two half batteries. One of the half cells is called the measuring electrode, its potential is related to the specific ionic activity, and the other half cell is a reference half cell, usually called a reference electrode, which is generally communicated with the measurement solution and is connected with the measuring instrument. The ph composite electrode is the electrode which combines the ph indicating electrode and the reference electrode, which can be divided into two kinds of plastic shell and glass according to the different shell material. Compared with the indicator electrode, the composite electrode is more convenient to use.
1.How about the shipping?
1) For sample order,it would sent by express company like UPS,Fedex,TNT etc.We have strong cooperation with them and if you have express collected account, you will no need pay us.
2) For bulk order,it would sent by sea.We have our cooperation forwarder and you also can use your OWN forwarder.
2.Can I add my logo on your product?
Yes, you need to send us your artwork in high resolution, we will design a visual for your confirm.
3.Are you trading company or manufacturer ?
We are factory.
4.What after-sales service can be provided by Lohand ?
The after-sales service of Lohand is divided into two parts: technical support and maintenance.
5.Could you offer intallation or tranning oversea?
Yes, we offer the service for complex machine in charge.
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