Turbidity was determined as the absorbance at 650 nm by a UNICAM 8625 UV/VIS spectrometer and the conductivity by a CRISON MicroCM 2100 conductometer. Chloride, sulfate, nitrate and phosphate anions were quantified by a Dionex ICS-2000 ionic chromatograph. The total suspended solids (TSS) were determined according to the Standard Methods for the Examination of Water and Wastewater [21 ]. Ammonia concentration and chemical oxygen demand (COD) were analyzed by using commercial kits LCK114 or LCK314, respectively (Hach Lange, Germany). Glucose concentration was measured with a YSI 2700 SELECT enzymatic analyzer (Yellow Spring Instruments). Laccase activity was measured per duplicate using a modified version of the method for the determination of manganese peroxidase where 2,6-dimetoxyphenol (DMP) is oxidized by laccase in the absence of a cofactor [22 ]. Activity units per liter (U·L− 1) are defined as the micromoles per liter of DMP oxidized per minute. The molar extinction coefficient of DMP was 24.8 mM− 1·cm− 1 [23 (link)].
Microcm 2100 conductometer
Manufactured by Crison
The MicroCM 2100 is a conductometer, a device used to measure the electrical conductivity of a solution. It provides accurate measurements of conductivity, resistivity, and total dissolved solids (TDS) in a compact and user-friendly design.
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Lab products found in correlation
2 protocols using microcm 2100 conductometer
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Comprehensive Analysis of Water Quality
2
Comprehensive Water Quality Analysis
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The absorbance at 650 nm was determined by a UNICAM 8625 UV/VIS spectrometer, and the conductivity was monitored by a CRISON MicroCM 2100 conductometer. The total suspended solids (TSS) and volatile suspended solids (VSS) were measured according to the standard methods 2540 D and 2540 E, respectively [38] . The total organic carbon (TOC) was determined using an Analytik Jena multi N/C 2100S/1 analyzer. The HPC results were reported as the logarithm of colony-forming units (CFU) per mL [lg (CFU mL -1 )] using the spread-plate method with a plate count agar (PCA) following the standard method 9215 [38] . The N-NH4 + concentration and the COD were analyzed using commercial kits LCK 303 and LCK 314 or LCK 114, respectively (Hach Lange, Germany). Chloride, sulfate, nitrite, and nitrate anions were measured by ion chromatography using a Dionex ICS-2000 equipped with Dionex IonPac AS18-HC column (250 mm x 4 mm) which was eluted at 1 mL min -1 with a 13 mM KOH aqueous solution.
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