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Product Name:CAs-6000 Coal Arsenic Detector
Product price:
Shelf time:2019-07-23
  • Features
  • Range
  • Parameter
  • Adopt standard
  • Methods:
    Reagents and materials required:
    1. Hydrochloric acid: relative density 1.18.
    2. Sulfuric acid: relative density 1_84.
    3. Hydrochloric acid solution; C (Hcl); 6 mol/L. 1 volume hydrochloric acid and 1 volume water were mixed evenly.
    4. Sulphuric acid solution: c(1/2H rammed SO)1 6 mol/L.
    5. Sulfuric acid solution: c(1/2H rammed SO) 15 mol/L.
    6. Potassium iodide solution: 176.5 g/L. 3.0 g potassium iodide is dissolved in 17 mL water and is ready to be used.
    7. Stannous chloride solution: 666.7 g/L. 8.0g stannous chloride was dissolved in 12 mL hydrochloric acid (4) and prepared before use.
    8. Iodine solution: 1.5 g/L. 9 g potassium iodide and 1.5 g iodine were dissolved in a small amount of water and diluted to 1 L.
    9. Ammonium molybdate solution: 10 g/L. 10.0 g ammonium molybdate was dissolved in 1 L sulfuric acid solution (5).
    10. Sulfuric acid callus solution: 1.2 g/L. 1.2 g hydrazine sulfate was dissolved in I L water.
    11. Ammonium Molybdate Hydrazine Monosulfate Mixed Solution
  • CAs-6000 Coal Arsenic Detector is a new product designed by our company according to "GB/T 3058-2008 Determination Method of Arsenic in Coal". It uses monochrome cold light source and computer to automatically process data to directly display the concentration of arsenic ion in water samples. The arsenic content analyzer is suitable for lignite, bituminous coal, anthracite, gasoline, diesel, etc. The determination of arsenic in light and heavy naphtha, crude oil, residue, liquefied petroleum gas, propylene gas and various catalysts is also applicable to the determination of arsenic in various water, food and beverage samples.

    The arsenic content analyzer adopts the principle of microcoulometric titration. The organic arsenide in the sample is extracted by acid, transformed into inorganic arsenic and reduced to AsH3. It reacts with the titrator in the titration tank, measures the electric quantity needed to supplement the titrator, and calculates the arsenic content according to Faraday's law.

  • Measurement range: 0.0004-0.500 mg/L

    Indicative error: <5%

    Repeatability: <3%

    Optical stability: instrument absorbance drift less than 0.002A within 20 minutes

    Normal operating conditions: (1) ambient temperature: 5-40 C

    Relative humidity: <85%

    Power supply: AC (220 +22) V; (50 +0.5) Hz

    No significant vibration and electromagnetic interference, avoid direct sunlight.

    Supporting equipment:

    1. Spectrophotometer: wavelength range (200-1000) nm.

    2. Water bath.

    3. Muffle Furnace: It can be heated from room temperature to (800 10) in 2 hours with good ventilation.

    4. Analytical balance: Sensitivity 0.1 mg.

    5. Analytical balance: Sensitivity 0.Ol G.

    6. Analytical balance: Sensitivity 0.1 G.

    7. Single-scale pipette: 1 mL, 2 mL, 3 mL, 4 mL, 5 mL.

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