carbonate chemistry in soils and water - soil solutions · carbonate chemistry in soils and...
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![Page 1: Carbonate Chemistry in Soils and Water - Soil Solutions · Carbonate Chemistry in Soils and Water.pdf Author: Matt Created Date: 2/16/2015 2:57:46 PM](https://reader036.vdocument.in/reader036/viewer/2022081517/5f0225507e708231d402cc59/html5/thumbnails/1.jpg)
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K =(H+ )(HCO3
- )
PCO2
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≈
≈g
2[Ca2 +] =10- 7.81( )(PCO2
)
[H+]
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M
M
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≈
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"
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÷
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KG =NNa[[Ca2+] +[ Mg2+]]
1
2
NCa+ Mg[ Na+ ]
![Page 26: Carbonate Chemistry in Soils and Water - Soil Solutions · Carbonate Chemistry in Soils and Water.pdf Author: Matt Created Date: 2/16/2015 2:57:46 PM](https://reader036.vdocument.in/reader036/viewer/2022081517/5f0225507e708231d402cc59/html5/thumbnails/26.jpg)
#
NNa
NCa+ Mg
= KG
[ Na+]
[[ Ca2+ ]+ [Mg2+ ]]1
2
NNa
NCa+ Mg
=NaX
CEC - NaX
ÈÎ Í
˘˚ ˙
= KGSAR
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SAR =[Na+]
[[Ca2 +] +[ Mg2 +]]1
2
NNa
NCa+ Mg
= ESR
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NaX
CEC
È Î Í
˘˚ ˙ 100 = ESP
ESP
100 - ESP= ESR = KGSAR
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