Method for continuously detecting content of sulfite and sulfide in building material and geological material
A technology of sulfite and geological materials, applied in the direction of material separation, material analysis, measuring devices, etc., can solve the mutual interference between sulfite and sulfide, and cannot determine the content of sulfite and sulfide by iodometric method, etc. question
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[0115] Embodiment 1, measure sulfite and sulfide content in building material and geological material
[0116] In this embodiment, taking desulfurized gypsum as an example, the method of the present invention and the special device for sample processing are used to complete the determination of sulfite and sulfide content in the sample, and specifically perform the following operations:
[0117] 1. Sample processing
[0118] Fully grind the desulfurized gypsum in an agate mortar until there is no obvious graininess, fully dry it in an oven at 45±3°C and then cool it in a desiccator, weigh 0.3012g (m) of the dried sample, and put the sample into In the double-necked round-bottomed flask 1 in the special device for sample processing, unscrew the knob of the separating funnel 2, and add the treatment solution (the treatment solution is hydrochloric acid and chlorinated chlorinated acid) in the 100mL double-necked round-bottomed flask 1. The mixed solution of tin solution, in whi...
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