Shen ChangHong 
NH3N Analyzer
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NH3N Analyzer
Model:NH-5N
This instrument uses Nessler's colorimetry to measure ammonia nitrogen in water. The method is simple and sensitive.
Product details -
NH3N Analyzer
Model:NH-6N
This instrument uses Nessler's colorimetry to measure ammonia nitrogen in water. The method is simple and sensitive.
Product details
