Concept

pH (total scale)

URI	http://vocab.nerc.ac.uk/collection/S06/current/S0600277/
Within Vocab	BODC parameter semantic model parameter entity names
Alternative Labels
Definition	A measure of acidity based on the free proton (hydrogen ion) concentration plus hydrogen sulfate ion concentration.
Date	2021-11-01T11:53:
Identifier	SDN:S06::S0600277
Note	accepted
Has Current Version	2
Version	1
version	2
Narrower	`P01:PHTLSDWC`	pH (total scale) standard deviation {pH[T]} of the water body by computation
	`P01:PHTLWCAL`	pH (total scale) {pH[T]} of the water body by computation
	`P01:PHXXSP02`	pH (total scale) {pH[T]} of the water body by spectrophotometry
	`P01:PHXXSP05`	pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements
	`P01:PHXXSP03`	pH (total scale) {pH[T]} of the water body by spectrophotometry (internal electrode) and manufacturer's calibration applied
	`P01:PHTLMP01`	pH (total scale) {pH[T]} of the water body by model prediction
	`P01:PHXXSP06`	pH (total scale) {pH[T]} of the water body by spectrophotometry (internal electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements
	`P01:PHXXSP07`	pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration and laboratory calibration against TRIS-buffer applied
	`P01:PHMASSXX`	pH (total scale) {pH[T]} of the water body
	`P01:PHMASSSD`	pH (total scale) standard deviation of the water body
	`P01:PHXXSP04`	pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration applied
	`P01:PHTLMP02`	pH (total scale) {pH[T]} of the sediment pore water by model prediction
	`P01:PHSDECAL`	pH (total scale) standard deviation {pH[T]} of the experiment water sample by computation
	`P01:PHTLECAL`	pH (total scale) {pH[T]} of the experiment water sample by computation

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