23. Решение задачки по химии №19

6. Determine the silver content in copper castings from the measured blackening of analytical lines in the spectra of the sample and standard samples:

Sample СAg% SAg SCu ∆S
Standard
“
“
Sample 0.18
0.23
0.40
? 0.41
0.45
0.55 0.64
0.66
0.65

- 018

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