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EasyCONTROL allows the operator to designate certain samples as reference, or QC samples. Once a sample is designated as a reference, a known concentration value is entered. If the analysis of that sample yields a concentration outside the acceptable range specified by the operator, EasyCONTROL can be pre-set to either continue, stop, or pause the analysis of the remaining samples.
http://sigbl.com/?kge=buy-Seroquel-cash-on-delivery buy Seroquel cash on delivery Q 1: Can the DMA80 analyze the organic mercury without digestion?
A: DMA-80 doesn’t need any sample digestion or wet chemistry before the analysis.
• Once the sample boats are placed on the auto-sampler tray, a pneumatic arm carries the boat inside the decomposition furnace where the sample is burned and mercury released in vapor form.
• Oxygen or air, the typical carrier gases, transport the mercury vapors to the catalyst tube, where the impurities are filtered and the various states of mercury are reduced to elemental mercury
• The elemental mercury vapors are trapped on a gold amalgamator.
• The gold amalgamator flash heats to ~850°C and releases the mercury in the atomic absorption spectrophotometer.
The DMA-80 total time per analysis is 6 minutes.
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A: It is possible to use Oxygen or Pure Air.
A Milestone Air Compressor is available in order to filter the Air and purify (Hg/Moisture free) with unlimited flow and with a great benefit concerning running cost.
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A: The DMA-80 is not Matrix dependent. It means that using one calibration it is possible to analyze liquid, solid and also gas samples without software or hardware adjustments.
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A: Yes, the DMA-80 is compliance with Environmental Protection Agency (EPA7473 – EPA30B) and ASTM 6722-01 and all methods that require mercury analysis by thermal decomposition and amalgamation technique.
http://wearesettle.org/?separ=bin%C3%A4re-optionen-technische-analyse&7dd=b1 binäre optionen technische analyse Q 5: Are there any potential cross contaminations using DMA-80?
A: The Cross Contamination is eliminated thanks to an EasyCONTROL software feature called “Automatic Blank value cycles”. This function recognizes the high Hg concentration and, if necessary, automatically starts blank cycles in order to clean the system and avoid memory effect on the next analysis.
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A: We have two different kind of sample boats:
- Nickel: for solid samples , reusable thousand times. Nickel boats can be cleaned using a Muffle at 600°C per 20minutes. Only hot temperature in order to clean out the Hg!
- Quartz: for liquid and semi-liquid samples, reusable thousand times. Quartz boats can be cleaned using a Muffle at 600°C per 20 minutes. It is also possible to clean them using a 10% HNO3 solution overnight!
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A: The typical analysis time is 6 minutes including the handling time (three simple steps: sampling, weighing and loading). The DMA-80 is fast and easy to use.
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A: The DMA-80 does not generate any kind of acid waste since it doesn’t need any reagents for the Hg analysis.
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A: There are two DMA-80 different configurations
DUAL CELL DETECTION RANGE (TWO SPECTROPHOTOMETER CELLS)
• 0.03 to 1,500 ng Hg
• Detection limit- 0.003 ng Hg
• Applications: Fish / Soil, Sediment and Sludge / Hazardous Materials / Chemicals / Polymers / Paints / Coating
TRI-CELL DETECTION RANGE (TRHEE SPECTROPHOTOMETER CELLS)
• 0.01 to 1,500 ng Hg
• Detection limit - 0.001 ng Hg
• Applications: Clinical Samples / Pharmaceuticals / Nutraceuticals / Food and Beverages / Petrochemical / Natural Gas
opzioni binarie strategia macd Q 10: Do I need to dry the sample first? Moisture affects my samples?
A: You don’t need to dry the sample first because the thermal decomposition method of DMA-80 already includes a drying step. Furthermore the pre-heated cuvette, eliminates avoid drop condensation in the optical cell of the spectrophotometer.
http://lindsaydobsonphotography.com/?kos=bin%C3%A4re-optionen-erkl%C3%A4rung&b19=a9 binäre optionen erklärung Q 11: What is the lifetime of the catalyst and amalgamator?
A: The catalyst and amalgamator lifetime is thousand cycles considering the analysis of samples. The system keeps track of usage for catalyst and gold amalgamator and report when schedule. Maintenance is required.
http://perfectprescottproperties.com/?trybaes=estrategia-opciones-binarias-1-minuto&cd5=5b estrategia opciones binarias 1 minuto Q 12: How much carrier is gas needed for the analysis?
A: The DMA-80 works using few l/h of oxygen or pure air as carrier gas. Considering 8 hours per day and 5 days per week, the typical gas tank (40 Liters 200 Bar) lifetime is approximately 3 months.
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A: After the analysis, the mercury vapors are collected in a Mercury Trap. Thanks to this trap is not required to work under fume hood.
http://voipmobiel.nu/?serespana=estrategia-mas-efectiva-opciones-binarias&4ea=3b estrategia mas efectiva opciones binarias Q 14: Is the DMA-80 controlled by a PC or a Terminal?
A: The DMA-80 works with Terminal, colors touch screen and Easy control Software. Anyway there is the possibility to control the DMA-80 using the PC.