Prepared solution 25 ppm. 2,8 g sn 3 times diluted with 1lt water each time. bottom pink shows nitrite. comparing to color chart, purity is near %100.
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Prepared solution 25 ppm. 2,8 g sn 3 times diluted with 1lt water each time. bottom pink shows nitrite. comparing to color chart, purity is near %100.
Valky
Petulant Child
- Apr 4, 2023
- 1,322
Lucky you were able to find some! I had to change methods. Good luck on your journey. May you find peace 
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