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The document outlines both sensory (organoleptic) and photometric testing methods, divided into four primary sensory vectors:
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Methods to measure the presence of suspended particles (such as silt, clay, or organic matter) that interfere with light passing through the water. 📋 Strict Sampling Rules gost 3351 74 skachat besplatno pdf
Below is an overview article discussing the significance and application of this interstate standard. gost 3351 74 skachat besplatno pdf
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