sewage, pure water , seawater, fishery water, swimming pool water, recycled water, bottled pure water, drinking natural mineral water, cooling water, farmland irrigation water, landscape water, drinking water for domestic water, ground water, boiler water, surface water, industrial water, test water, etc. The water sample used for inspection should be able to represent the subject of inspection. Therefore, the collection, transportation and storage of water samples are also important technical issues. The location and time of water sample collection, the container and method of sampling, and the transportation and storage of water samples must ensure the representativeness of the water samples.
For more application questions, please follow the official account: Suiyipala Contact professional teachers to answer you
For more application questions, please follow the official account: Suiyipala Contact professional teachers to answer you
Before evaluating the water quality of water samples, the sampling process and the accuracy of the review results should be checked. Some analytical methods can be used to check, such as specific conductance measurement and ion exchange. It can also be verified based on the relationship between parameters. For example, the total amount of cation should be equivalent to the total amount of anion , and the total amount of ions should be equal to or close to the dissolved solid, pH value , alkalinity , hardness and BOD5 and COD respectively.
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Application requirements:
1, junior. As long as you are over 18 years old and have a junior high school degree or above, you can apply for the junior high school entrance examination.
2, intermediate. Intermediate certificates require an age of 18 and a high school degree or above. You can register for the exam after working for 2 years.
3, advanced. Advanced certificates require an age of 20 or above, a college degree or above, a working period of 4 years, and having won the first prize in the competition, you can register for the exam.
4. If the above conditions cannot be met, you can read the article to add the teacher to consult the specific situation!
For more application questions, please follow the official account: Sui Lan Ba La Contact professional teachers to answer
Application process
1, choose a formal application institution
2, ask whether the certificate meets personal expectations
2, submit personal application information
3, pay the application fee (only pay once, transparent and public)
4, receive online training, take the exam on time
5, after passing the score, wait for the mailing certificate
6, fail, have a chance to take the retake exam
34, receive online training, take the exam on time
5, after passing the score, wait for the mailing certificate
6, fail, have a chance to take the retake exam
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