Standard material for X-ray fluorescence sulfur content determination (light oil)

There are various types of light oil standard materials for X-ray fluorescence sulfur content determination, with differences among different brands and models in terms of concentration range, packaging specifications, etc. They are commonly used for instrument calibration and standard curve plotting. The following is a related introduction:
Standard materials for petroleum sulfur content determination: Developed by the Chinese Academy of Metrology, with serial numbers ranging from GBW (E) 060108 to GBW (E) 060110, these materials offer a wide range of sulfur concentrations, including 0.1 mg/L, 0.2 mg/L, 0.5 mg/L, 1 mg/L, 2 mg/L, 5 mg/L, 7 mg/L, 10 mg/L, 15 mg/L, 20 mg/L, 30 mg/L, 50 mg/L, 70 mg/L, 100 mg/L, 150 mg/L, 200 mg/L, 300 mg/L, 500 mg/L, 1000 mg/L, 1500 mg/L, 3000 mg/L, and other concentrations, suitable for sulfur analysis using X-ray fluorescence spectroscopy.
VHG Light Oil Ultraviolet Fluorescence Sulfur Standard: Products from the American VHG brand, such as VHG - XSISO - 1WV - 10X1, are 1 ppm light oil ultraviolet fluorescence sulfur standards, with a packaging specification of 10X1 ml. Other concentration specifications include 3 ppm, 5 ppm, 7 ppm, and 10 ppm, with model numbers VHG - XSISO - 3WV - 10X1, VHG - XSISO - 5WV - 10X1, VHG - XSISO - 7WV - 10X1, and VHG - XSISO - 10WV - 10X1.
ASTM D2622 Light Oil Sulfur Standard: This is an imported standard material available in multiple models. For example, alk - d2622 - lmsua is ASTM D2622 light oil sulfur standard A, with a specification of 8*100ml, and concentrations including blank, 0.0005%, 0.001%, 0.01%, 0.025%, 0.05%, 0.075%, and 0.1%. Additionally, there are standards B and C with different concentration ranges to meet various testing requirements.
ASTM D4294 Light Oil Sulfur Standards: Also imported standard materials, such as alk - d4294 - LMSUA is the ASTM D4294 Light Oil Sulfur Standard A, with a specification of 8100ml, and concentrations including blank, 0.0005%, 0.001%, 0.01%, 0.025%, 0.05%, 0.075%, and 0.1%. There are also sets B and C, with concentrations of 0.1%-1% and 1%-5%, respectively, and packaging specifications of 4100ml and 5*100ml.

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