Method for measuring content of germanium element in zirconium-based material
A determination method and element content technology, applied in the field of chemical analysis, can solve the problems of low accuracy, large interference factors, cumbersome operation, etc., and achieve the effect of wide linear range and small interference between elements
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Embodiment 1
[0043] In this embodiment one, the content of germanium in the zirconium-based material comprises the following steps:
[0044] Step 1. Pretreatment: Cut the block sample to a suitable size, pickle, wash with water, soak in acetone, and wash with water 10 times, dry or blow dry in an environment not greater than 50°C, and weigh to (1±0.004) g;
[0045] Wherein, the volume ratio of pickling solution components is: water: nitric acid: hydrofluoric acid = 4.5:4.5:1; wherein, the density of nitric acid is greater than or equal to 1.40g / ml, and the density of hydrofluoric acid is greater than or equal to 1.20g / ml.
[0046] Step 2. Preparation of zirconium-based material test solution: put the block sample weighed in step 1 into a 200ml plastic beaker, add 10ml of water, add 6ml of hydrofluoric acid and 2mL of nitric acid in three times, and wait until the sample is completely dissolved , cooled to room temperature to obtain a cooled concentrated solution;
[0047] After cooling, ...
Embodiment 2
[0058] The present embodiment two measures the content of germanium element in the zirconium base material and comprises the following steps:
[0059] Step 1. Pretreatment: Cut the blocky block sample to a suitable size, pickle, wash with water, soak in acetone, and wash with water 10 times, and then weigh it after drying or drying in an environment not greater than 50°C. Measure to (2±0.008)g;
[0060] Wherein, the volume ratio of pickling solution components is: water: nitric acid: hydrofluoric acid = 4.5:4.5:1; wherein, the density of nitric acid is greater than or equal to 1.40g / ml, and the density of hydrofluoric acid is greater than or equal to 1.20g / ml.
[0061] Step 2. Preparation of zirconium-based material test solution: put the block sample weighed in step 1 into a 200ml plastic beaker, add 10ml of water, add 7.5ml of hydrofluoric acid and 2mL of nitric acid in three times, and wait until the sample is completely dissolved Afterwards, be cooled to room temperature,...
Embodiment 3
[0073] The present embodiment three measures the content of germanium element in the zirconium base material and comprises the following steps:
[0074] Step 1. Pretreatment: Cut the block sample to a suitable size, pickle, wash with water, soak in acetone, and wash with water 10 times, dry or blow dry in an environment not greater than 50°C, and weigh to (4±0.016) g;
[0075] Wherein, the volume ratio of pickling solution components is: water: nitric acid: hydrofluoric acid = 4.5:4.5:1; wherein, the density of nitric acid is greater than or equal to 1.40g / ml, and the density of hydrofluoric acid is greater than or equal to 1.20g / ml.
[0076] Step 2. Prepare the test solution for zirconium-based materials: put the sample weighed in step 1 into a 200ml plastic beaker, add 10ml of water, add 9ml of hydrofluoric acid and 2mL of nitric acid in three times, and cool down after the sample is completely dissolved. to room temperature to obtain a concentrated solution after cooling; ...
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