Method for detecting moisture content, vanadium pentoxide content and carbon content in hexamine vanadium
A vanadium pentoxide and detection method technology, applied in the direction of weighing, measuring devices, and analyzing materials by removing certain components, can solve the problems that cannot meet the production process, quality judgment, business settlement, and cannot accurately determine the component content. and other problems, to achieve the effect of easy operation and accurate method
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Embodiment 1
[0027] The detection method of moisture, vanadium pentoxide and carbon content in a kind of vanadium hexaamine of the present embodiment, described method comprises the following steps:
[0028] (1) Sample pretreatment and moisture determination: fully mix the hexaamine vanadium sample, weigh 30g sample, accurate to 0.0001g, put the sample in a weighing bottle, and put it into a nitrogen gas flow device In a drying oven at a constant temperature of 105±2°C, dry to constant weight, calculate the moisture content, and the moisture content is 17.79%.
[0029] (2) Determination of vanadium pentoxide content: weigh 0.2000g of dried hexaamine vanadium sample, add 20mL of hydrochloric acid (1+1) to dissolve the sample, then add 5mL of nitric acid (ρ1.42g / mL), add Sulfuric acid (1+1) 40mL, heat to dissolve, continue to heat until sulfuric acid fumes 1-2min, remove and cool, dilute to 100mL with water, then add ferrous ammonium sulfate solution (10%) 10mL, then add ammonium persulfate ...
Embodiment 2
[0035] The detection method of moisture, vanadium pentoxide and carbon content in a kind of vanadium hexaamine of the present embodiment, described method comprises the following steps:
[0036] (1) Sample pretreatment and moisture determination: fully mix the hexaamine vanadium sample, weigh 30g sample, accurate to 0.0001g, put the sample in a weighing bottle, and put it into a nitrogen gas flow device In a drying oven at a constant temperature of 105±2°C, dry to constant weight, calculate the moisture content, and the moisture content is 32.33%.
[0037] (2) Determination of vanadium pentoxide content: weigh 0.2000g of dried hexaamine vanadium sample, add 20mL of hydrochloric acid (1+1) to dissolve the sample, then add 5mL of nitric acid (ρ1.42g / mL), add Sulfuric acid (1+1) 40mL, heat to dissolve, continue to heat until sulfuric acid fumes 1-2min, remove and cool, dilute to 100mL with water, then add ferrous ammonium sulfate solution (10%) 10mL, then add ammonium persulfate ...
Embodiment 3
[0043] The detection method of moisture, vanadium pentoxide and carbon content in a kind of vanadium hexaamine of the present embodiment, described method comprises the following steps:
[0044] (1) Sample pretreatment and moisture determination: fully mix the hexaamine vanadium sample, weigh 30g sample, accurate to 0.0001g, put the sample in a weighing bottle, and put it into a nitrogen gas flow device In a drying oven at a constant temperature of 105±2°C, dry to constant weight, calculate the moisture content, and the moisture content is 20.33%.
[0045] (2) Determination of vanadium pentoxide content: weigh 0.2000g of dried hexaamine vanadium sample, add 20mL of hydrochloric acid (1+1) to dissolve the sample, then add 5mL of nitric acid (ρ1.42g / mL), add Sulfuric acid (1+1) 40mL, heat to dissolve, continue to heat until sulfuric acid fumes 1-2min, remove and cool, dilute to 100mL with water, then add ferrous ammonium sulfate solution (10%) 10mL, then add ammonium persulfate ...
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