Sechang Instruments Blog

Industrial Measurement Guides & Technical Insights

전체 (All)166 한국어123 English43

Selenium in Water: Environmental Limits, Industrial Wastewater Monitoring, and Choosing the Right Analyzer EN

Selenium (Se) is a priority pollutant in industrial wastewater. This guide covers regulatory limits (WHO 0.04 mg/L, Korea/Japan 0.01 mg/L), selenium speciation, and how to choose between field test kits and ICP-MS for compliance monitoring.

selenium water quality environmental monitoring heavy metals industrial wastewater
Aug 9, 2026 · 1,039 words

Bioluminescent Bacteria vs. Daphnia Magna Toxicity Testing: Which Bioassay Is Right for Your Facility? EN

Bioluminescent bacteria vs Daphnia magna toxicity testing: ISO 11348 vs OECD 202 comparison by sensitivity, cost, and throughput for water compliance.

water quality toxicity bioassay Microtox Daphnia
Aug 8, 2026 · 2,624 words

Water Toxicity Testing Field Guide: Bioassay Monitoring for Wastewater Treatment and Drinking Water Compliance EN

Water toxicity bioassay guide: detect mixture toxicity missed by BOD/COD. Covers Microtox M500, TU calculation, and wastewater treatment compliance.

water quality toxicity bioassay Microtox
Aug 7, 2026 · 2,735 words

Microtox® Toxicity Analyzer Complete Guide: M500 vs LX Comparison and Water Toxicity Screening Selection EN

Microtox® M500 vs LX: bioluminescence water toxicity analyzer selection guide. ISO 11348 compliant. Choose by throughput, budget, and automation needs.

water toxicity Microtox bioluminescence environmental testing ISO 11348
Aug 6, 2026 · 1,205 words

Dissolved CO₂ Continuous Monitoring Guide for Aquaculture and Water Treatment: Online Analyzers vs. Portable Meters EN

Dissolved CO₂ Continuous Monitoring Guide for Aquaculture and Water Treatment: Online Analyzers vs. Portable Meters...

water quality CO2 aquaculture RAS water treatment
Aug 5, 2026 · 1,220 words

수질 유해원소 측정 종합 가이드 — 비소·브롬·셀레늄·스트론튬-90·수은

음용수부터 산업폐수, 방사성 오염수까지 대표 유해원소 비소·브롬·셀레늄·스트론튬-90·수은의 측정 방법과 기준을 한눈에 정리한 종합 허브 가이드.

ES Hub 수질측정 유해원소 중금속
Aug 5, 2026 · 1,300 words

Dissolved Oxygen (DO) Sensor Installation & Field Setup Guide: Aeration Tanks, Rivers, and Aquaculture EN

DO sensor installation guide for aeration tanks, rivers, and aquaculture. Covers positioning and calibration for reliable dissolved oxygen measurement.

water quality DO dissolved oxygen field setup
Aug 4, 2026 · 1,519 words

반도체 초순수(UPW) 공정별 비저항·TOC 기준 매트릭스

CVD, CMP, 세정 등 반도체 공정 단계별 초순수(UPW) 비저항과 TOC 관리 기준을 매트릭스로 정리하고 측정점 배치 원칙을 제시합니다.

semiconductor upw resistivity toc process-specification
Aug 2, 2026 · 1,450 words

Pesticide Residue Maximum Limits for Fruits and Vegetables: Field Measurement Practices and Regulatory Compliance Guide EN

PLS 잔류농약 허용기준, 수입 망고 잔류농약 사례, 현장 검출기 감도 한계, 표준 검사 절차(스크리닝→확증→기록)를 정리했습니다.

잔류농약 허용기준 과일채소
Aug 1, 2026 · 1,115 words

Pesticide Residue Detector Selection Guide: Portable Field Instruments vs. Laboratory Analysis Systems EN

잔류농약 검출 원리(효소저해법·면역법), 현장 휴대형 vs 실험실 GC-MS 비교, 수입 망고 잔류농약 검사 절차, 성능 비교표를 정리했습니다.

잔류농약 검출기 농산물
Aug 1, 2026 · 1,043 words

H₂O₂ Concentration Management Standards for Food and Medical Environments: Measurement Practices and Regulatory Limits EN

식품·의료 환경 H2O2 잔류 기준(식약처 1ppm·ISO 14937), 측정 주기·기록 관리, 멤브레인 교체 주기, 측정 시 주의사항을 정리했습니다.

H2O2 과산화수소 소독
Jul 31, 2026 · 1,109 words

Hydrogen Peroxide (H₂O₂) Meter Selection Guide: Disinfection, Sterilization, and Semiconductor Applications EN

H2O2 측정 원리(전기화학식·비색법), 소독·살균·반도체 공정별 권장 농도와 기기, DPM2 계열 특징, 선택 기준 비교표를 정리했습니다.

H2O2 과산화수소 측정기
Jul 31, 2026 · 1,099 words