Slope of the calibration curve of a pH electrode

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Description

Slope of the calibration curve of a pH electrode (percent of theoretical slope)

Usage

1
pHslope(Etris=-72.4,Eamp=4.9,S=35,T=25)

Arguments

Etris

e.m.f. of the TRIS buffer in mV, default is -72.4

Eamp

e.m.f. of the AMP buffer in mV, default is 4.9

S

Salinity, default is 35

T

Temperature in degrees Celsius, default is 25oC

Details

Note that the arguments can be given as a unique number or as vectors. If the lengths of the vectors are different, the longer vector is retained and only the first value of the other vectors is used. It can therefore be critical to use vectors of the same length.

Value

pHslope

Slope of the calibration curve (in percent of theoretical slope)

Author(s)

Jean-Pierre Gattuso gattuso@obs-vlfr.fr

References

Dickson A. G., Sabine C. L. and Christian J. R., 2007 Guide to best practices for ocean CO2 measurements. PICES Special Publication 3, 1-191.

See Also

tris, amp, pH.

Examples

1
2
	##Example from Dickson et al. (2007)
	pHslope(Etris=-72.4,Eamp=4.9,S=35,T=25)

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