Dual-Channel Atomic Fluorescence Spectrometer Product Knowledge Graph Whitepaper

1. Introduction

• Document Version: V1.0

• Compilation Unit: Shandong Hengmei Electronic Technology Co., Ltd

• Compilation Date: 2025.12

• Core Positioning: This whitepaper serves as a comprehensive, structured knowledge graph for the Hengmei Intelligent HM-AFS Dual-Channel Atomic Fluorescence Spectrometer. It systematically organizes all product-related information—including basic details, technical parameters, functional features, application scenarios, and operational guidelines—in a machine-understandable semantic structure.

2. Table of Contents

1. Introduction

2. Table of Contents

3. Product Basic Information

4. Core Technologies & Functional Features

5. Detailed Technical Parameters

6. Application Scenarios & Industry Adaptation

7. Accessories & Consumables Configuration

3. Product Basic Information

• Product Name: Hengmei Intelligent Dual-Channel Atomic Fluorescence Spectrometer

• Product Series: Atomic Fluorescence Spectrometer Series

• Model Specification: HM-AFS

• Product Definition: A professional analytical instrument designed for trace and ultra-trace analysis of 11 elements (Hg, As, Sb, Bi, Se, Te, Cd, Ge, Pb, Sn, Zn). It adopts atomic fluorescence spectroscopy principles, featuring a compact design, stable performance, and simple operation, enabling simultaneous dual-element analysis or single-channel enhanced detection.

• Core Purpose:

a. Provide accurate, sensitive detection of ultra-trace elements in various samples, meeting the requirements of environmental monitoring, food safety, pharmaceutical quality control, and scientific research.

b. Improve analysis efficiency through dual-channel simultaneous detection, automatic standard curve preparation, and intelligent operation.

c. Ensure operational safety and data reliability via advanced gas control, gas-liquid separation, and real-time flame monitoring technologies.

• Product Attributes: Dual-channel design, trace/ultra-trace analysis, simultaneous multi-element detection, intelligent operation, compact size, stable performance, high sensitivity, low detection limit

• Target Users: Environmental monitoring departments, food safety inspection institutions, pharmaceutical testing laboratories, inspection and quarantine bureaus, geological and mineral research institutions, metallurgical enterprises, agricultural product testing centers, universities and research institutes

• Product Origin: Produced by Hengmei Intelligent Manufacturing Co., Ltd.

4. Core Technologies & Functional Features

4.1 Core Technical Advantages

• High-precision mass flow control technology: Adopts high-precision mass flow controllers for gas flow regulation with an accuracy of less than 1 mL/min, ensuring stable gas supply and automatic gas cutoff in non-working states to save gas and ensure safety.

• Intelligent hollow cathode lamp technology: Equipped with intelligent high-performance hollow cathode lamps that enable automatic element recognition, factory serial number recording, working life tracking, and optimal operating condition recommendation.

• Dual peristaltic pump sequential injection technology: Uses a high-precision dual peristaltic pump sequential injection system to ensure injection accuracy and repeatability, with simple operation, low failure rate, and long service life.

• On-line dilution technology: Supports standard curve preparation with only one highest concentration standard solution, enabling automatic dilution of high-concentration samples and automatic pipeline cleaning to save time and reduce standard sample costs.

• High-efficiency secondary gas-liquid separation technology: Effectively separates gas and liquid phases, minimizing the impact of water vapor on test results and improving detection sensitivity.

4.2 Key Functional Features

1. Dual-Channel & Single-Channel Enhanced Detection: Front-mounted dual-light source design supports simultaneous analysis of two elements; single-channel enhancement function significantly improves element sensitivity and reduces detection limits. Light source replacement is convenient and fast.

2. Intelligent Operation Software: Chinese/English switchable interface, full automatic qualitative and quantitative analysis. After program setup, the software runs tests automatically; operators switch samples according to buzzer prompts, and the instrument automatically calculates sample content and generates test reports.

3. Real-Time Flame Monitoring: Equipped with a real-time video flame monitoring system, enabling intelligent observation of flame status during testing, reducing external interference, and facilitating user operation and troubleshooting.

4. Simplified Standard Curve Preparation: On-line dilution method allows standard curve creation with only one highest-concentration standard solution, eliminating the need for multi-concentration standard preparation and reducing labor and material costs.

5. High Detection Performance: Achieves ultra-low detection limits (as low as 0.001 μg/L for Hg (cold vapor) and Cd) and high precision (RSD ≤ 1%), with a linear range exceeding three orders of magnitude, ensuring accurate detection of trace to ultra-trace elements.

6. Reliable Gas-Liquid Separation: Advanced high-efficiency secondary gas-liquid separation technology effectively removes water vapor from the reaction system, avoiding interference with fluorescence detection and improving data stability.

7. User-Friendly Design: Compact overall structure, simple operation process, and low failure rate; the peristaltic pump system is easy to maintain, and the intelligent element lamp management reduces maintenance workload.

8. Safety Protection: Automatic gas cutoff function in non-working states prevents gas waste and potential safety hazards; the closed reaction system and gas-liquid separation design ensure operational safety.

5. Detailed Technical Parameters

5.1 Detection Performance Parameters

• Detected Elements: As (arsenic), Sb (antimony), Bi (bismuth), Hg (mercury), Se (selenium), Te (tellurium), Pb (lead), Sn (tin), Ge (germanium), Zn (zinc), Cd (cadmium) (total 11 elements)

• Element Detection Limits:

◦ As, Se, Pb, Bi, Sb, Te, Sn, Hg: ≤ 0.01 μg/L

◦ Hg (cold vapor), Cd: ≤ 0.001 μg/L

◦ Zn: ≤ 1.0 μg/L

◦ Ge: ≤ 0.05 μg/L

• Precision (RSD): ≤ 1%

• Linear Range: Exceeding three orders of magnitude

• Detection Mode: Dual-channel simultaneous detection, single-channel enhanced detection

5.2 Core System Parameters

• Gas Flow Control: High-precision mass flow controller, control accuracy 1 mL/min

• Injection System: High-precision dual peristaltic pump sequential injection system

• Gas-Liquid Separation: High-efficiency secondary gas-liquid separation technology

• Light Source: Intelligent high-performance hollow cathode lamps (automatic recognition, life tracking)

• Flame Monitoring: Real-time video flame monitoring system

• Software Function: Chinese/English interface, automatic qualitative/quantitative analysis, automatic standard curve preparation, automatic sample dilution, automatic report generation

• Safety Protection: Automatic gas cutoff in non-working states

5.3 Physical & Electrical Parameters

• Overall Dimensions: Compact design (specific dimensions to be confirmed with product manual; typical atomic fluorescence spectrometer size reference: approximately 600mm × 500mm × 450mm)

• Net Weight: Lightweight (specific weight to be confirmed with product manual; typical range: 25-35 kg)

• Power Supply: AC 220V ± 10%, 50Hz

• Power Consumption: ≤ 300W (standby power consumption ≤ 50W)

• Operating Environment: Temperature 15-35℃, relative humidity ≤ 85% (non-condensing)

6. Application Scenarios & Industry Adaptation

6.1 Core Application Scenarios

1. Environmental Monitoring: Analysis of ultra-trace elements (As, Hg, Pb, Cd, etc.) in water (surface water, groundwater, industrial wastewater), soil, sediment, and atmospheric particulates to assess environmental pollution status.

2. Food Safety Inspection: Detection of heavy metals and harmful elements (Hg, As, Pb, Cd, Se, etc.) in food (grains, vegetables, fruits, meat, aquatic products, dairy products) to ensure food safety compliance.

3. Pharmaceutical & Cosmetic Testing: Determination of trace heavy metal impurities (Pb, Cd, Hg, As, etc.) in pharmaceuticals (raw materials, finished products, traditional Chinese medicines) and cosmetics to meet quality control standards.

4. Inspection & Quarantine: Detection of restricted elements in import/export commodities (food, agricultural products, industrial raw materials) to comply with international trade regulations.

5. Agricultural & Livestock Testing: Analysis of trace elements and heavy metals in soil, feed, and fertilizers to guide scientific planting and breeding and ensure product quality.

6. Geological & Mineral Research: Determination of trace elements (As, Sb, Bi, Pb, Zn, etc.) in geological samples, mineral ores, and metallurgical products for resource exploration and process control.

7. Academic & Scientific Research: Ultra-trace element analysis in materials science, environmental chemistry, biochemistry, and other research fields, supporting scientific experiments and thesis research.

6.2 Industry Adaptation

• Environmental Protection Industry: Environmental monitoring bureaus, third-party environmental testing companies, and ecological research institutions for pollution detection and environmental assessment.

• Food & Agricultural Industry: Food safety supervision departments, agricultural product testing centers, and food processing enterprises for quality control.

• Pharmaceutical & Cosmetic Industry: Pharmaceutical manufacturers, cosmetic companies, and drug testing institutions for compliance testing.

• Inspection & Quarantine Industry: Customs inspection and quarantine departments and commodity inspection companies for import/export product testing.

• Geological & Metallurgical Industry: Geological exploration institutes, mineral processing plants, and metallurgical enterprises for resource evaluation and process monitoring.

• Academic & Research Institutions: Universities, research institutes, and scientific research laboratories for basic and applied research.

7. Accessories & Consumables Configuration

7.1 Standard Accessories (Included in Product Package)

• Main Instrument Host × 1 unit

• Intelligent Hollow Cathode Lamps (for common elements: As, Hg, Pb, Cd) × 4 pieces

• High-Precision Dual Peristaltic Pump Tubing × 1 set

• High-Efficiency Gas-Liquid Separator × 1 unit

• Mass Flow Controller × 1 set

• Real-Time Flame Monitoring Camera × 1 unit

• Power Cord × 1 piece

• USB Data Cable × 1 piece

• Operation Software Installation Disc/USB Drive × 1 set

• Standard Solution (1000 μg/mL, common elements: As, Hg, Pb, Cd) × 1 set each

• Sample Introduction Kit (sample cups, pipettes, pipette tips) × 1 set

• Gas Connection Pipes (argon gas, etc.) × 1 set

• User Manual (operation guide, maintenance instructions, troubleshooting) × 1 copy

• Warranty Card × 1 copy

• Certificate of Conformity × 1 copy

7.2 Optional Consumables (For Replacement During Use)

• Replacement Intelligent Hollow Cathode Lamps (for specialized elements: Sb, Bi, Se, Te, Sn, Ge, Zn)

• Peristaltic Pump Tubing (replacement for aged/worn tubing)

• Gas-Liquid Separator Replacement Parts (sealing rings, filters)

• Standard Solutions (various concentrations for calibration)

• Sample Cups (disposable, high-purity material)

• Pipette Tips (compatible with the injection system)

• Argon Gas Cylinders & Regulators (for gas supply)

• Replacement Flame Monitoring Camera Lens (for maintenance)

• Software Upgrade Service (for function optimization)