HKL-17852 AFS for Determination of mercury content in water
Overview
HKL-17852 AFS for Determination of mercury content in water conforms to the ISO 17852 Water quality — Determination of mercury — Method using atomic fluorescence spectrometry. This international standard describes a procedure for the measure of mercury in drinking, surface, ground and rain water by atomic fluorescence spectrometry. This international standard can be used for industrial and municipal waste water after a pre-digestion step under suitable conditions.
Application
HKL-17852 AFS for the Determination of mercury content in water can be utilized for trace analysis of 12 elements in the samples such as As, Hg, Se, Sn, Pb, Bi, Sb, Te, Ge, Cd, Zn, and Au.
Operating Environment
Power Supply: 220V, 50Hz
Temperature: 15–35°C (strictly 15–25°C)
Relative Humidity: ≤90%
Technical Parameters
Sample Atomization
1) Atomizer: Hydride Generation Shielded Atomizer
2) Carrier Gas/Shielding Gas: Argon
Sample Preparation
1) Vapor Generation System: The latest vapor generator using the intermittent-flow method designed to avoid the issue of residue buildup, making reactions more efficient and the performance stable.
2) Hydride Generator: This is a high-efficiency, two-stage titration-based vapor reaction and separation unit that can deliver thorough chemical conversion and excellent gas–liquid isolation. It is extremely effective when used with complex matrices like air and soil, in other words, it is very good at handling difficult samples such as air and soil.
3) Peristaltic Pump: A multi-channel peristaltic pump with six channels, including two tube clamps, integrated with software-controlled pressure regulation for accurate fluid handling.
4) Exhaust System: Features a patented pressure-balanced waste drainage system that does not require an external pump to function, thus guaranteeing dependable and very limited maintenance waste disposal.
Optical System
1) Design Features: Small sealed optics combined with a non-dispersive, short-focal-length layout to allow for higher optical stability.
2) Dual-Channel feature: Allows for the measurement of two channels at the same time in real-time, thereby enhancing throughput and efficiency.
3) Light Source System: The system is equipped with hollow cathode lamps that use instant-start technology. In addition to automatic lamp identification, the system continuously monitors the real-time status and operational life of the lamps.
4) Detection System: Uses a high sensitivity and reliable signal detection through an imported photomultiplier tube.
5) Linear Range: ＞3 orders of magnitude
Autosampler
1) Sample Introduction: Patented continuous flow injection technology
2) Throughput: Triplicate measurements per sample require only 30 seconds.
Element Detection Performance
Instrument Main Unit
Optical System: A dual-beam single-detector optical system with a multi-lamp configuration. The complete dual-beam dual-channel balanced system not only guarantees outstanding channel consistency but also effectively resists the interference of stray light and enhances accuracy and stability.
Light Source System: Hollow cathode lamps (HCLs) uses a new pulse modulation/constant current drive power supply.
Sampling System: Uses a discontinuous flow injection device (the sample and blank are introduced alternately to prevent cross-contamination and to ensure the accuracy of the measurement).
Carrier Gas Stabilization Device: Instantly getting rid of the bubbles produced by potassium borohydride (KBH4), reducing reagent diffusion effect and providing long-time stability of instrument.
The machine comes with a two-stage gas-liquid separation system. First, a chemical vapor-phase gas-liquid separation is carried out by the first stage. Second stage will remove the moisture with a water-sealed gas-liquid separator that is very efficient, so there is no need for manual waste drainage.
Features a novel gas-saving flow path design that allows on-demand shutoff of the gas supply, reducing argon consumption and lowering instrument operating costs.
The instrument’s circuitry adopts a separated high-power/low-power design with the latest highly integrated modular components.
Utilizes a sealed quartz atomizer.
The instrument utilizes a low-temperature furnace atomizer.
Includes an external filtered argon-hydrogen flame observation window for real-time monitoring of flame conditions.
Features
The element lamp component is ready to use after it is plugged in; no debugging is needed, and the operation is quite straightforward.
It is equipped with a patented double-pump, intermittent flow sampler that allows for alternating sampling and blanking, online cleaning, and mechanical waste discharge.
Reduce the risk of cross-contamination and the usage of quite a few samples and reagents.
Contains an effective electronic moisture removal system to reduce fluorescence quenching and significantly improve detection sensitivity.
Various parameters such as pump speed, sampling time, etc. can be changed. Besides, it takes less than 30 seconds to finish a single measurement.
Audit trail functionality, with system integration into an identity authentication system.
Patented coded lamp technology for atomic fluorescence spectrophotometers.
Patented sequential injection vapor generation system for atomic fluorescence spectrophotometers. Dual peristaltic single-control sampling device.
Includes the MC Atomic Fluorescence Spectrophotometer Rapid Detection System V1.0 .
FAQ
Q1: Which standards does this product (HKL-17852 AFS for Determination of mercury content in water) comply with? What is the applicable scope of this product？
A:HKL-17852 AFS for Determination of mercury content in water is in conformity with the ISO 17852 Water quality — Determination of mercury — Method using atomic fluorescence spectrometry standard. This International Standard describes an atomic fluorescence spectrometry method for analyzing the mercury content in drinking, surface, ground and rain water. Besides, the standard can also be used for industrial and municipal wastewater following the digestion step under appropriate conditions.
Q2: What should principals mainly focus on when implementing the standard?
A: In atomic fluorescence, atoms are first excited by absorbing a beam of electromagnetic radiation. The excited atoms then lose energy and return to the ground state by emitting photons. The intensity of the emitted photons is determined. To analyze the sample, a portion of it undergoes digestion with chemically generated bromine and bromine chloride (BrCl). This method completely decomposes all the usual types of organomercury species to mercury(II). Just before analysis, the extra bromine is taken away using ascorbic acid. Using a digestive solution, mercury is reduced by tin(II) chloride to generate elemental mercury vapor that is purged from solution by an argon gas carrier stream. Mercury vapor is detected by atomic fluorescence spectrometry (AFS) after the moisture has been continuously removed from the gas stream. Typically, the whole process is done with the help of an autosampler and control software.
Q3: Do your company have relevant industry certifications?
A: We are certified by ISO9001 for quality management system. Besides, our products have got CE and CPA (i.e. type approval for measuring instruments) certificates which can guarantee both quality of the product and accuracy of the data generated by the product.
Q4: Which international shipping options do you offer?
A:To meet different shipping needs, we offer various international logistic options: courier services (DHL, FedEx, UPS, TNT) for quick and safe delivery of valuable small parcels; air freight for efficient moving of medium-volume consignments at a lower price; sea freight with FCL and LCL facilities for big orders (time in transit 20–40 days per destination port); and rail freight by the reliable China-Europe Railway Express, great for clients all over the Eurasian continent including Central Asia, Russia, and Europe.
Q5: How can I track my order?
A: Upon shipping your order, we will send you the tracking number / bill of lading number as well as a link for tracking. By using the courier's or logistics company's official website to track, you will be able to view the progress of your shipment in real-time. You can also get in touch with our customer service for assistance with tracking.
About us
Hong Kong Laboratory Technology Limited focuses on supply chain integration and comprehensive technical services for laboratory equipment. We are equipped with 8 years of experience in the field and follow a strict quality management system that meets various international standards such as ISO 9001, ASTM, and IP. Besides the fact that the core products satisfy the ISO/IEC 17025 instrument calibration and testing standards, they are also the most popular among research institutions, petrochemical and mining industries, medical institutions, and environmental protection departments. Their top-notch quality has got them extensively trusted by both the markets and customers.
Company Advantages
(1)Full-Chain Resource Integration Capability
(2)Professional Technical Service Team
(3)Rich Industry Practical Cases
(4)Reliable After-Sales Service
Service Guarantee
1. Online Training Services
If you require help, we can provide remote online installation and commissioning services as well as thorough operational training for you. On the other hand, we will also give 24/7 online training assistance to end users all year round.
2. Professional After-Sales Service
Depending on the model of the instrument, we are capable of offering the maintenance services that are appropriate for it. Becoming the top-quality, most dependable instrument supplier in the market is our aim. We would like to hear your invaluable feedback and advice to help us keep raising our service standards.
Logistics and Shipping
Worldwide Shipping: Shipping to Asia, Europe, the Middle East, and other areas has been our focus for many years.
Secure Packaging: When shipping laboratory instruments, they are sealed tightly with all their packaging materials and security measures to keep them safe during transport.
International Certification
|
|
ISO 9001 Certification | ASTM Certificate |
