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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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11
Nov
2025
Usage Method of pH Combination Electrodes for pH Meters
Usage Method of pH Combination Electrodes for pH Meters 1. There should be no bubbles at the front end of the bubble. If there are bubbles, they should be forcefully thrown away. 2
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11
Nov
2025
How to Properly Soak a pH Combination Electrode?
How to Properly Soak a pH Combination Electrode? Root cause analysis The pH electrode must be soaked before use, because the pH bulb is a special glass membrane. There is a very th
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11
Nov
2025
Standard Method for the Preparation of pH Meter Calibration Standards
Standard Method for the Preparation of pH Meter Calibration Standards 1)pH4, Potassium hydrogen phthalate standard buffer solution: Accurately weigh 10.12g of potassium hydrogen ph
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11
Nov
2025
Calibration of pH Meters (Acidometers) for Laboratory Use
Calibration of pH Meters (Acidometers) for Laboratory Use When calibrating commonly used laboratory pH meters, the slope of the instrument should be adjusted to the maximum and the
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11
Nov
2025
Maintenance and Calibration Procedures for Industrial pH Meters
Maintenance and Calibration Procedures for Industrial pH Meters (1) In areas with significant temperature differences, pH meters must be equipped with temperature compensation to e
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11
Nov
2025
Introduction to the Maintenance Steps for a pH Meter
Introduction to the Maintenance Steps for a pH Meter 1. Storage of pH glass electrode Short term: stored in a buffer solution with pH=4; Long term: stored in a buffer solution with
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11
Nov
2025
Introduction to the Three-Point Calibration Steps for a pH Meter
Introduction to the Three-Point Calibration Steps for a pH Meter For the calibration done with 7.004.01, if a third point is needed, which buffer should be used, 9.21 or 10.01, 9.1
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11
Nov
2025
Introduction to the Precautions for pH Meter Use
Introduction to the Precautions for pH Meter Use 1. In general, pH meters should be calibrated once a day during continuous use; Generally, the instrument does not need to be calib
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11
Nov
2025
Introduction to the Working Principle of a pH Meter
Introduction to the Working Principle of a pH Meter A pH meter is used to measure the pH value of a solution using the potentiometric method. Therefore, in addition to measuring th
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11
Nov
2025
Introduction to the Structure of a pH Meter
Introduction to the Structure of a pH Meter PH meter, also known as acidity meter, is mainly composed of three parts. PH acidity meter is a commonly used instrument and equipment.
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12
Jun
2025
Introduction to How to Repair a pH Electrode
Introduction to How to Repair a pH Electrode The "damage" of pH composite electrodes is characterized by a decrease in sensitivity gradient, slow response, and poor repea
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12
Jun
2025
How to properly use a combined pH electrode?
How to properly use a combined pH electrode? There should be no bubbles at the front end of the bubble. If there are bubbles, they should be forcefully thrown away. After the elect
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12
Jun
2025
What are the differences between rechargeable and non-rechargeable combined p...
What are the differences between rechargeable and non-rechargeable combined pH electrodes? The pH composite electrode casing is distinguished between plastic and glass. A rechargea
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12
Jun
2025
Why should a pH electrode be soaked? How to properly soak a combined pH elect...
Why should a pH electrode be soaked? How to properly soak a combined pH electrode? The pH electrode must be soaked before use, because the pH bulb is a special glass membrane. Ther
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12
Jun
2025
How to properly store and use pH buffer solutions?
How to properly store and use pH buffer solutions? After preparing the buffer solution, it should be placed in a glass bottle or a polyethylene bottle (alkaline pH buffer solutions
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12
Jun
2025
How to repair a pH electrode?
How to repair a pH electrode? The "damage" of pH composite electrodes is characterized by a decrease in sensitivity gradient, slow response, and poor repeatability of rea
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12
Jun
2025
What is the one-point calibration of a pH meter?
What is the one-point calibration of a pH meter? Any pH meter must be calibrated with a pH standard solution before measuring the pH value of the sample. For samples with a measure
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12
Jun
2025
What is the two-point calibration of a pH meter?
What is the two-point calibration of a pH meter? For precision pH meters, in addition to "positioning" and "temperature compensation" adjustments, there is also
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12
Jun
2025
What is the impact of temperature on pH measurement accuracy?
What is the impact of temperature on pH measurement accuracy? For pH electrodes, temperature affects every pH of 0.003pH/℃. For example, a 0.2 level pH meter calibrated in a 30 ℃ p
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12
Jun
2025
Can temperature compensation in a pH meter eliminate all errors caused by tem...
Can temperature compensation in a pH meter eliminate all errors caused by temperature? It must be noted that the temperature compensation set on the pH meter only compensates for t
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