Total Nitrogen and Total Phosphorus / Absorbance Method CODMn Measurement Set TNP/COD-A

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TNP/COD-A

last updated：Nov 18, 2021

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There is a very high correlation between the measurement values according to the JIS method and the wastewater from various business establishments.

This measurement method maintains the reaction conditions between the pollutants and potassium permanganate identical to JIS K 0102, using one-twentieth of the liquid volumes of the sample and reagents as per the JIS method. Heating at 100°C for 30 minutes is conducted using a reactor instead of a water bath, and the amount of consumed permanganate ions is determined by measuring the decrease in absorbance with a photoLab 6100 water quality meter, which displays the COD concentration. Since the reaction conditions of this method are exactly the same as those of the JIS method, there is a very high correlation between the measurements obtained by the JIS method and those obtained using the photoLab 6100.

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■Features ○ High correlation with JIS method The reaction conditions for all processes are exactly the same as the JIS method, showing a very high correlation (r2=0.99) with the measurement values obtained by the JIS method for various industrial wastewater. ○ Significant reduction in waste liquid volume The volume of waste liquid is very small, only one-twentieth of that of the JIS method, greatly reducing environmental burden. ○ Very simple measurement operation After heating and decomposition treatment, the sample can be measured for COD concentration easily and quickly using the photoLab 6100 model without titration. ○ Simultaneous pretreatment of multiple samples, reducing measurement time Pretreatment of 24 samples can be done almost simultaneously, significantly shortening the measurement time. ■Reactor (choose from 2 types) Seven standard decomposition programs tailored to the measurement items are stored in memory and can be easily selected. Additionally, the CR3200 reactor can store up to eight user-defined decomposition programs. All reactors are designed with sufficient safety measures and have a structure with good thermal conductivity. They are equipped with a safety hood to prevent splashing, as well as a timer function and a decomposition temperature display function.

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■The Measurement Cube is not just an online shop■ We have measurement instrument concierges who are professionals in measurement, ready to solve your measurement concerns on the spot. - One phone call, complete support If you're having trouble selecting a measuring instrument, please call us first! Our measurement experts will resolve your issues right away. - Over 2000 models, an overwhelming selection We offer over 2000 carefully selected models listed on our website, and our extensive inventory is still growing. - We will find any measuring instrument Please let us know your intended use and preferences. We will responsibly search for a measuring instrument that fits your needs. - Comprehensive calibration and repair services Not only do we sell, but we also provide calibration and repair services, ensuring thorough after-sales support. We never just "sell and forget." - Confidence in our prices Thanks to the trust we've built with manufacturers and our unique sourcing routes, we have achieved a balance between fair pricing and quality service.

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