Operation steps of ammonia nitrogen analyzer
Type B uses the national standard GB7148-81 and the international ISO7150/1-1948 standard salicylic acid photometric method as the basic test means, supplemented by sample colorimetric reaction pretreatment, to achieve rapid and accurate colorimetric determination of samples, with stable,SensitiveReliable and mercury-free.
① Take out the 2 cuvettes in the attachment, clean the cuvette and measuring cup with distilled water or ultra-pure water respectively, and wipe the water marks and fingerprints on the outer wall with a paper towel or soft cloth without dropping hair. If it is not easy to wipe, soak in warm water with detergent for 30 minutes, and then rinse with pure water. Kan
② Turn on the power of the instrument and turn on the power "switch" at the back of the instrument ". Kan
③ Instrument zeroing:
Pour distilled water or ultra-pure water into a cuvette (about 2/3 height); wipe the water marks and fingerprints on the outer wall with a non-falling paper towel or soft cloth, then put it into the measuring seat of the instrument and cover the shading cover. Kan
Press the "zero" key to display the wait prompt: Set zero ..... wait a moment.
Zero end display: NH3-N 0.0mg/L [1].
Key words: heat exchange equipment
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Type of ammonia nitrogen analyzer
Ammonia nitrogen analyzer according to the different test standards, there are A, B type. Type A is GB7479-87 by Nessler' s reagent colorimetric method. Type B adopts the national standard GB7148-81 and the salicylic acid photometric method specified in the international ISO7150/1-1948 as the basic testing method, supplemented by the sample colorimetric reaction pretreatment, to realize the rapid and accurate colorimetric determination of the sample, which has the advantages of stability, sensitivity, reliability and mercury-free.
Operation steps of ammonia nitrogen analyzer
Pour distilled water or ultra-pure water into a cuvette (about 2/3 height); wipe the water marks and fingerprints on the outer wall with a non-falling paper towel or soft cloth, then put it into the measuring seat of the instrument and cover the shading cover.
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