I am going to store some field water samples in the serum bottle and seal it by rubber stopper and aluminum seal. After certain time, I am going to measure the metal concentration of these water samples. I am afraid that the serum bottle itself may release some metal to the sample solution. So, I am wondering is there any technique to lower the metal background of the serum bottle? Is it workable if I use the HCl to wash the bottle several times?
Beg your answers! Thanks.
Peter Farrington
Take a look at the hydrolytic resistance of the glass. Borosilicate glass leaches fewer metal ions than conventional soda glass. Keep the pH neutral and avoid citrate and phosphate buffers.
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