Measuring method for content of aluminium in water by utilizing ICP-AES (Inductively Coupled Plasma-Atomic Emission Spectrometry)
An ICP-AES, aluminum content technology, applied in the direction of material excitation analysis, thermal excitation analysis, etc., can solve the problems of complex solution and low measurement accuracy
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Embodiment 1
[0014] Step (1): Weigh 200ml of the water sample to be tested in a beaker, 3g of sodium hydroxide and 2g of potassium hydroxide, keep it at 85 degrees Celsius for 2 minutes, then heat it again to 100 degrees Celsius and keep it for 2 minutes; use hydrochloric acid (1+ 1) Neutralize until turbidity appears, stir, then add 10ml of hydrochloric acid with concentration (1+1), after cooling, transfer to a 1L volumetric flask, dilute with water to the mark, shake well and set aside;
[0015] Step (2) Aluminum standard solution: Accurately weigh 1.0g into a 200ml beaker, add 50ml of water, 3g of sodium hydroxide and 2g of potassium hydroxide, within the temperature range of 85-100 degrees Celsius: keep at a certain temperature for 2 minutes, then Heat again to another temperature and keep for 2 minutes; neutralize with hydrochloric acid until turbidity appears, stir, then add 10ml of hydrochloric acid with a concentration of (1+1), after cooling, transfer to a 1L volumetric flask, dil...
Embodiment 2
[0029] Step (1): Weigh 200ml of the water sample to be tested in a beaker, 3g of sodium hydroxide and 2g of potassium hydroxide, keep it at 85 degrees Celsius for 3 minutes, then heat it again to 100 degrees Celsius and keep it for 3 minutes; neutralize it with hydrochloric acid until When turbidity appears, stir, then add 10ml of hydrochloric acid with a concentration of (1+1), after cooling, transfer to a 1L volumetric flask, dilute with water to the mark, shake well and set aside;
[0030] Step (2) Aluminum standard solution: Accurately weigh 1.0g into a 200ml beaker, add 50ml of water, 3g of sodium hydroxide and 2g of potassium hydroxide, within the temperature range of 85-100 degrees Celsius: keep at a certain temperature for 2 minutes, then Heat again to another temperature and keep for 2 minutes; neutralize with hydrochloric acid until turbidity appears, stir, then add 10ml of hydrochloric acid with a concentration of (1+1), after cooling, transfer to a 1L volumetric fla...
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