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China, Chinese Online Monitor for Cadmium Content in Wastewater1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Analysis InstrumentLiquid AnalyzerCadmium AnalyzerCadmium Monitor
Nanjing Juge Environmental Technology Co., Ltd.
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Product Description Product DescriptionOnline Monitor for Cadmium Content in Wastewater>>ApplicationThis method is applicable to wastewater with cadmium concentrations within the range of 0-5 mg/L.>>Technical parameters1. Measurement Method: Dithizone spectrophotometric method2. Measurement Range: 0-2 mg/L, OEM 0-5mg/L3. Accuracy: ≤±10%4. Repeatability: ≤±5%5. Measurement Cycle: Minimum cycle is 30 minutes; color development time can be adjusted flexibly between 5-30 min based on environmental conditions.6. Sampling Cycle: Adjustable time interval (10-9999 min) or on-the-hour measurement mode.7. Calibration Cycle: Adjustable at any interval from 1-99 days.8. Maintenance Cycle: ≥168 hours, with each maintenance lasting ~1 hour.9. Reagent Consumption: <0.50 CNY per sample.10. Outputs: RS-232, 4mA-20mA, RS-485.11. Environmental Requirements: Temperature-controlled indoor environment (recommended: 5-40°C); humidity 45%-85%.12. Power Supply: AC 220±10% V, 50±1% Hz, 5A.13. Dimensions: Height 1500 × Width 500 × Depth 450 mm.14. Additional Features:Data retention during abnormal alarms or power outages.Touchscreen display and command input.Automatic discharge of residual reactants and resumption of operation after power restoration or system reset.>>FeatureUnique Design: This product features a distinctive design that ensures lower failure rates, reduced maintenance requirements, minimal reagent consumption, and higher cost-effectiveness compared to similar products.Selector Valve Assembly:Enables flexible reagent sampling timing and diverse channel configurations.Minimizes dead volume for easy maintenance and extended service life.Micro-Dosing Unit:Utilizes a visual photoelectric system for precise reagent measurement, eliminating quantitative errors caused by peristaltic pump tube wear.Achieves accurate micro-dosing with 0.7 mL per dose, significantly reducing reagent usage.Sample Introduction Unit:Employs a peristaltic pump with negative pressure suction, creating an air buffer zone between reagents and the pump tube to prevent corrosion.Simplifies and enhances flexibility in reagent mixing.Sealed Digestion Unit:Operates under high-temperature and high-pressure conditions to accelerate reactions.Eliminates corrosion risks from volatile gases in open systems.Reagent Tubing:Uses imported modified PTFE (polytetrafluoroethylene) transparent tubing with an inner diameter >1.5 mm to minimize clogging by particulate matter in water samples.>>Analytical PrincipleThe aqueous sample undergoes hot-block digestion (150°C ±5°C) with concentrated HNO<sub>3</sub> (1:1 v/v) followed by pH adjustment using ammonium citrate buffer. In alkaline medium (pH 10.0 ±0.1 maintained by NH<sub>4</sub>OH/NH<sub>4</sub>Cl buffer) with dithizone as the chromogenic agent, cadmium ions form a crimson-red Cd-dithizonate complex exhibiting maximum absorbance at 518 nm (ε = 8.5×10<sup>4</sup> L·mol<sup>-1</sup>·cm<sup>-1</sup>). A microprocessor-controlled portable photometer (e.g., Hach DR1900) quantifies cadmium concentration through dual-wavelength measurement (518 nm sample vs 650 nm reference), with calibration curves validated per EPA Method 200.7 requirements (linear range: 5-200 μg/L, LOD 1.5 μg/L). Company Profile>>OEM Solutions & Service AdvantagesWe provide OEM customization services. Contact us to discuss tailored product solutions. 1) 12-hour response guarantee for all inquiries;2) Premium quality with industry-competitive pricing;3) Dedicated post-purchase support system;4) OEM/ODM compatibility;5) Certified safety equipment specialists with expert engineering team. >>FAQQ: Can I request a single sample unit for quality assessment?A: Absolutely. We strongly advise sample evaluation before mass ordering. Q: Could I obtain your product catalog and MOQ pricing details?A: Our complete product portfolio is available digitally. Please browse our website for model specifications or email specific requests. Q: What pricing advantages apply for large quantity orders?A: Submit your complete requirements (product model, quantities, quality standards, branding specifications, payment terms, and logistics details) for optimized bulk pricing. >>Certifications>>Shipping
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