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Stiff Pattern

What is Stiff’s pattern diagram Collin’s bargraph and Mauch’s radial vector diagram?

What is DO for drinking purposes

What is DO for drinking purposes and TH in groundwater?

What are the role of trace elements Fe total B pH EC TDS SAR RSBC SSP TH PI Ca Mg Na K anions HCO3 Cl SO4 PO4 in Groundwater

What are the role of trace elements Fe total B