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Description
Then, the calibration curve (concentration in terms of absorbance) was drawn using these solutions, and finally, the samples were analysis by the atomic absorption (Varian 220 Spectr AA)
Clean all glass and mirrors with a mixture of vinegar and warm water and then rinse with clean water
The hallmarks on this piece indicate it was assayed in Chester, England in 1910
Incapsula incident ID: 537000100574615390-831558792991277745
