Elohopean analysaattorit
CVAAS tekniikalla analysoivat elohopea-analysaattorit
MA-3000 CVAAS elohopea-analysaattori
MA-3000 utilizes the technique of Direct Thermal Decomposition-Gold Amalgamation-CVAAS to measure total mercury in solid, liquid, or gaseous sample matrices.
Unlike conventional mercury analysis techniques MA-3000 can:
- Measure mercury in a wide range of samples without anymodifications to the system
- Shorten measurement time by up to 86%
- Eliminates errors which commonly occur during the sample preparation stage
Advanced Optics for Wide Measurement Range
Equipped with the patented (JP 5596995) Dual-Cell Tri-Beam detector, MA-3000 has a Method Detection Limit (MDL) lower than 0.001 ng and an extended dynamic range up to 70,000 ng of mercury. Therefore, offering the widest measurement range in commercially available Direct Mercury Analyzer to fulfill laboratory demands.
Incredible Sensitivity and Stability
MA-3000 utilizes a high-quality thermally stable light source and detector, providing an ultra-consistent emission and detection at the wavelength of 253.7 nm. It improves the background-to-noise ratio, providing superior sensitivity and stability.
The desired sample is loaded into the sample boat. The sample boat will be transferred into a sample heating furnace where the sample is heated at a high temperature according to the selected method. The sample will be decomposed, and all forms of mercury compounds will be released into its elemental gaseous form.
The released vapor will pass through the mercury collector tube, where the elemental form of mercury will be trapped onto, forming an amalgam with the coated gold layer. This steps removes interferences
When this thermal decomposition sequence is completed, the mercury collector tube is heated to liberate purified and concentrated pure mercury gas into the measurement cell, mercury is measured by CVAAS at the wavelength of 253.7 nm.
Applications
Sludge | Sediment | Soil | Food | Hair | Blood | Urine | Ore | Coal | Plastics | Catalyst | Crude Oil | Wastewater and more.
Methods
USEPA 7473 | ASTM D 6722-19 | ASTM D 7623-20 | UOP 1009-15 | ISO 15411
RA-4300A CVAAS elohopea-analysaattori
RA-4300A is a benchtop Reducing Vaporization-CVAAS mercury analyzer which is designed and engineered with the necessary functions to fulfill all the needs in mercury analysis.
High Productivity – Autosampler with 80 Positions
RA-4300A is equipped with an autosampler of 80 positions which maximizes the throughput of any fast-paced laboratory, providing results with the shortest turnaround time possible.
Superior Detection Limit and Sensitivity – Detection Limit Down to 0.5 ppt
RA-4300A is equipped with a Non-Dispersive CVAAS which has a detection limit of down to 0.5 ppt (5 ppt including sample digestion process) with excellent accuracy and precision.
With this superior detection limit and excellent precision, it provides a wide range of applications to be analyzed in RA-4300A such as river water, lake water, etc.
Built-In Reagent Dispenser
RA-4300A has a built-in reagent dispersing system for
- Hydroxylamine hydrochloride
- Tin (II) chloride
- Sulfuric acid
The entire excess-oxidant quenching and reducing vaporization process is automated.
Discrete-Direct-Purge Technique of Reducing Vaporization
There are two methods of Reducing Vaporization, i.e.,
- Flow Injection Technique
- Discrete-Direct-Purge Technique.
All mercury analyzers in NIC employ Discrete-Direct-Purge Technique to minimize memory effect from mercury which causes cross-contamination issue.
Applications
Suitable for a wide variety of post-digested sample solutions, aqueous samples, including drinking water, industrial wastewater, river water, lake water, seawater and rain-runoff
Methods
USEPA 245.1 | USEPA 245.2 | USEPA 245.5 | USEPA 7470A | USEPA7471B | ASTM D 3223-17 | EN-1483 | APHA 3112 | JIS K0102 | ISO 12846 and more
RA-4500 CVAAS elohopea-analysaattori
RA-4500 is a Fully Automated In-Situ Acid-Digest Reducing Vaporization-CVAAS mercury analyzer from NIC, which is specifically designed and engineered to provide a Seamless Start to Finish of mercury analysis for aqueous sample, incorporating the sample acid-digestion procedure.
Fully Automated Sample Digestion – First of Its Kind
RA-4500 is one of the ground-breaking mercury analyzers in the market. Incorporating NIC’s cutting-edge innovation and engineering, RA-4500 manages to automate the entire sample digestion and analysis process with compliance with regulatory methods such as EPA and APHA. It comes with programmable software where users can program up to 10 steps of sample digestion steps with proportionally reduced usage and consumption of reagents.
Minimum Memory Effect & Contamination
– Non-Contact LED Sensor
As RA-4500 automates the sample digestion process, it involves the use of Potassium Permanganate (KMnO4) which is supposed to be added in excess for complete oxidation. Unlike the conventional method, RA-4500 is equipped with a built-in LED Sensor to verify the excess KMnO4 without direct contact with the sample solution. Thus, the cross-contamination issue at this stage is avoided completely.
Superior Detection Limit and Sensitivity – Detection Limit Down to 0.5 ppt
RA-4500 is equipped with a Non-Dispersive CVAAS, which has a detection limit of down to 0.5 ppt (5 ppt including sample digestion process) with excellent accuracy and precision. With this superior detection limit and excellent precision, it provides a wide range of applications to be analyzed in RA-4500, such as river water, lake water, industrial discharges, etc., easily satisfying all wastewater/effluent discharge guideline and regulations in most countries.
High Productivity – Autosampler with 80 Positions
RA-4500 is equipped with an autosampler of 80 positions which maximizes the throughput of any fast-paced laboratory, providing results with the shortest turnaround time possible.
Effective & Complete Digestion Process – Precise Thermal Control
The autosampler tray in RA-4500 is integrated with an innovative solution – a state-of-art Infrared Heating Technology, which provides rapid heating under stable temperature control.
Applications
Suitable for a wide variety of pre-digested sample solutions, aqueous samples, including drinking water, industrial wastewater, river water, lake water, seawater and rain-runoff
Methods
USEPA 245.1 | USEPA 245.2 | USEPA 245.5 | USEPA 7470A | USEPA 7471B | ASTM D 3223-17 | EN-1483 | APHA 3112 | JIS K0102 | ISO 12846 and more
CVAFS tekniikalla analysoivat elohopea-analysaattorit
RA-4300FG+ CVAFS elohopea-analysaattori
RA-4300 is an automated, Reducing Vaporization – Gold Amalgamation – Cold Vapor Atomic Fluorescence Spectroscopy (CVAFS) mercury analyzer from NIC to provide Ultra-Trace Level of Mercury Analysis.
Automating the “Purge & Trap Oxidation”
- Dispensing of Bromine Monochloride (BrCl), a strong oxidizing agent, into the sample solution, oxidizing all forms of mercury into ionic mercury.
- Allow setting of incubation time for the oxidation to take place Excess oxidant is destroyed by Hydroxylamine Hydrochloride
- (NH₂OH.HCl), followed by reduction using Tin (II) Chloride (SnCl₂) to convert all ionic mercury into elemental mercury, Hg⁰
- The elemental mercury is purged and collected/purified onto a Gold Trap.
- Collected mercury is thermally desorbed and transported by Argon carrier gas into the optical path of CVAFS for measurement.
Extremely Clean Analysis Environment – Built-In Mercury Removal Filter
Ultra-trace level of mercury analysis requires demanding cleanliness of ambient condition, especially environmental air.
RA-4300FG+ is designed with a clean chamber concept with an integrated innovative Carbon-Layered-Mesh mercury removal filter. All ambient air goes through this mercury removal filter, removing both micro-dusts and mercury where only mercury-free air is introduced into the system chamber.
This feature ensures all samples in sample tubes are kept clean at all times throughout the analysis process.
Superior Detection Limit and Sensitivity – Detection Limit Down to 0.05 ppt
RA-4300FG+ is equipped with the latest and ultra sensitive CVAFS available which has detection down to 0.05 ppt (0.5 ppt including sample digestion process of EPA 1631e) with excellent accuracy and precision.
With this superior detection limit and excellent precision, the RA-4300FG+ is capable to satisfy a wide range of analysis applications such as snow water, seawater, rainwater and underground springs where mercury contents are in ultra-trace level.
High Productivity – Autosampler with 80 Positions
RA-4300FG+ is equipped with an autosampler of 80 positions which maximizes the throughput of any fast-paced laboratory, providing results with the shortest turnaround time possible.
Superior Reducing Vaporization by Discrete-Direct-Purge Technique
Lower Operation Cost – Reduced Consumption of High Purity Reagents
When it comes to ultra-trace level of mercury analysis, the purity of reagent plays a vital role to have minimum interference to the analyte measurement. Consumption of reagents directly relates to the daily operating cost. By having the discrete-direct-purge technique in RA-4300FG+, all reagents used are reduced proportionally.
Applications
Rainwater, seawater, and any water samples require a sub ppt level of mercury measurement
Methods
USEPA 1631e | USEPA 245.7 | ISO 17852 | EN-1483
AM-6F CVAFS elohopea-analysaattori
AM-6F is a Fully Automated, Continuous Mercury Monitor designed to measure gaseous elemental mercury (GEM) from ambient air accurately down to the sub nano-gram per cubic-meter level. The technique used is Direct Gold Amalgamation Sampling – CVAFS (Fluorescence technology) Detection.
State-Of-The-Art Continuous Mercury Monitor – Here Is Why:
- Low-pressure mercury lamp is temperature-voltage self-regulated, generating a consistent UV light beam, allowing each atomic fluorescence measurements done with unmatched precision.
- Sample gas and Argon carrier gas flows are precisely controlled and intelligently managed by Mass Flow Controller (MFC) with the best efficiency to achieve maximum sensitivity and precision to each measurement.
- Automation in AM-6F includes calibration. AM-6F comes with a built-in mercury permeation source that allows user to preset periodic auto-calibration to check and auto-correct for any bias during unattended operation. Standard calibration can also be done with the static saturated mercury vapor source, conveniently introduce with gas tight syringes into the Calibration – Injection Port.
Applications
Continuous Measurement of Mercury in Ambient Air and Gaseous Matrices.
Kannettava elohopea-analysaattori
EMP-3 elohopea-analysaattori
EMP-3 is our 3rd generation of Field-Portable Mercury Survey Meter that is designed for on-site measurement of gaseous elemental mercury (GEM) in workplace ambient air for occupational safety, health, and hygiene.
User-Friendly – Easy to Use Touchscreen Graphical User Interface (GUI)
EMP-3 is equipped with a very user-friendly and responsive interface – 4.3’ LCD High-Resolution Color Touchscreen. All functional buttons are available on the same screen, allowing for easy field operation and enhancing every user’s experience. The LCD screen is also splash-proof.
Anyone can learn and operate EMP-3 with ease!
Superior Detection Range – Detection Limit from 0 to 2000 µg/m3
Fully Functional & Accurate – Portable Mercury Survey Meter
EMP-3 is equipped with a robust and highly sensitive non-dispersive double-beam cold vapor atomic absorption spectrometry (CVAAS) detector for mercury measurement. All gaseous elemental mercury (GEM) that is drawn into EMP-3 is measured by the absorbance at wavelength 253.7 nm.
EMP-3 weighs only 1.6 kg and has a comfortable, streamlined body with a dimension of 207W x 115D x 140H (mm). It is well-designed to sling around the body as a handy and compact device for field operation.
Built-in GPS Function – Measurement with Peace of Mind
To conduct multiples measurements in the field, it is rather bothersome and inconvenient to take note of every location data to the measurement readings manually.
EMP-3 is now equipped with a built-in GPS where every mercury measurement done by the EMP-3 will also record the set of coordinates of that measuring location simultaneously with the mercury reading. This helps make the handling and operating process easier and provide users with peace of mind.
Applications
Mostly employed for workplace air measurement for occupational safety. It can be used for direct measurement of gaseous elemental mercury in natural gas, shale gas, and LPG from Tedlar bag, etc.
Methods
WHO | ACGIH | OSHA | USEPA | NIOSH | ATSDR and more
