Sentence examples for classification of waters from inspiring English sources

It was observed that the criteria used in the classification of waters for a particular purpose considering the individual concentration may not find its suitability for other purposes and better results can be obtained only by considering the combined chemistry of all the ions rather than individual or paired ionic characters (Handa 1964, 1965; Hem 1985).

Scholler classification of water indicates that longer residence time of water with more prominent base exchange.

Open image in new window Fig. 6 USSL-based classification of water (a) premonsoon (b) monsoon.

Classification of water samples in the study area according to SAR values is done (Table 3).

Kelly's index (KI) is used for the classification of water for irrigation purposes.

The classification of water for irrigation based on PI was suggested by Doneen (1964).

Quality of groundwater is classified into two major groups (Table 5), following the genetic classification of water chemistry (Chebotarev 1955).

Classification of water based on TH as suggested by Sawyer and McCarty (1978) is given in Table 5.

The classification of water quality is done punctually according to the European standards in Africa and particularly in Algeria.

Table 5 Classification of water hardness (Sawyer and Mc Carty 1967) Water classification Hardness range (mg/l of CaCO3) Soft 0 75 Moderate 75 150 Hard 150 300 Very hard >300.

The classification of water based on total hardness shows that most of the spring water samples fall between hard and very hard water type.