Industrial Measurement Guides & Technical Insights
Ion chromatography is the gold standard for multi-anion water analysis: EPA Method 300, suppressed conductivity detection, column selection, and MDL values.
Chlorine residual analysis for drinking water, pools, and industrial systems: free vs total chlorine, DPD colorimetry, amperometric sensors, limits.
Ammonia nitrogen (NH3-N) measurement guide for wastewater: ISE, colorimetric, UV sensors, regional discharge limits, and aeration process integration.
TOC analysis for pharmaceutical WFI and semiconductor ultrapure water: UV oxidation, combustion, USP <643>, EP 2.2.44, SEMI F63, online monitoring.
How utilities and environmental labs detect radioactive Strontium-90 (Sr-90) in water: regulatory limits and reliable field measurement methods.
Bromine vs chlorine in cooling towers and spa pools: superior pH and temperature stability, target residual levels, and accurate field measurement.
Selenium in industrial wastewater: regulatory limits (WHO 0.04, Korea/Japan 0.01 mg/L), speciation, and choosing between field kits and ICP-MS.
Bioluminescent bacteria vs Daphnia magna toxicity testing: ISO 11348 vs OECD 202 comparison by sensitivity, cost, and throughput for water compliance.
Water toxicity bioassay guide: detect mixture toxicity missed by BOD/COD. Covers Microtox M500, TU calculation, and wastewater treatment compliance.
Microtox® M500 vs LX: bioluminescence water toxicity analyzer selection guide. ISO 11348 compliant. Choose by throughput, budget, and automation needs.
Dissolved CO2 analyzer for aquaculture and water treatment: continuous monitoring, online versus portable comparison, and sensor selection.
DO sensor installation guide for aeration tanks, rivers, and aquaculture. Covers positioning and calibration for reliable dissolved oxygen measurement.