Digital pH meter. The pH of a solution is a measure of acidity and alkalinity; it is defined as the inverse logarithm of the hydrogen ion concentration. The scale runs from 0 to 14, with pure water considered neutral at pH 7. Low numbers indicate acids, high numbers indicate alkalis.
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Creative#:
TOP16005392
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
N/A
Right to Privacy:
No
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