Методические указания по химическому анализу почв (Определение катионообменной способности почв). Йонко О.А. - 4 стр.

UptoLike

ВУЗ: 

ВГУ | Воронеж

Составители: 

Рубрика: 

4
Gh\mxihjpbx`b^dhklbijbeb\ZxlgZnbevljebrvlh]^Zdh]^Zq_j_anbevlj
ijhc^_l\_kvjZg__\ueblucgZ\hjhgdmjZkl\hj<hba[_`Zgb_ihl_jbihq\ub
jZkl\hjZ ghkbd qZrdb ke_^m_l kfZaZlv \Za_ebghf Dh]^Z h[t_f nbevljZlZ \
dhe[_ khklZ\bl hdheh  fe
,
^_eZxl ijh[m gZ iheghlm \ul_kg_gby dZevpby
dhlhjucm^Zey_lkybaihq\uf_^e_gg__q_ffZ]gbc
BkiulZgby gZ iheghlm \ul_kg_gby dZlbhgh\ ijhba\h^yl h^gbf ba
kihkh[h\
: < qbklmx ijh[bjdm kh[bjZxl ih^ \hjhgdhc
-
 fe nbevljZlZ
ijbeb\Zxlfeoehjb^gh
-
ZffbZqgh]h[mn_jgh]hjZkl\hjZjG ^h[Z\eyxl
g_kdhevdh dZi_ev ]b^jhdkbgZfbgZ i_j_f_rb\Zxl \ghkyl f_lZeehbg^bdZlhj
ojhfh]_g q_jguc Kbgyy hdjZkdZ mdZau\Z_l gZ hlkmlkl\b_ \ ijh[_ KZ
2+
.
H^gh\j_f_ggh^eykjZ\g_gbygm`ghk^_eZlvijh[m\jZkl\hj_
NaCl.
;
.
< ijh[bjdm k nbevljZlhf ijb[Z\eyxl
-
dZi_ev
-
gh]h jZkl\hjZ
ZffhgbysZ\_e_\hdbkeh]h
NH
4
)
2
C
2
O
4
mdkmkgmxdbkehlm
-
gucjZkl\hj
^h kbevgh]h aZiZoZ  gZ]j_\Zxl ^h dbi_gby kh^_j`bfh_ ijh[bjdb ihke_ q_]h
ijhkfZljb\Zxl jZkl\hj gZ l_fghf nhg_ Ijb hlkmlkl\bb hkZ^dZ \ul_kg_gb_
ij_djZsZxl
Hdhgqb\ \ul_kg_gb_ KZ
2+
b
Mg
2+
,
baf_jyxl h[t_f ihemq_ggh]h
nbevljZlZb^h\h^yl_]h^bklbeebjh\Zgghc\h^hc^hbebfebl ^
ihke_q_]hohjhrhi_j_f_rb\Zxl
J_Zdlb\u
FjZkl\hj1D&O\ffheyofeijh\_j_ggucgZhlkmlkl\b_
dZevpby b fZ]gby ih ojhfh]_gm q_jghfm k oehjb^gh
-
ZffbZqguf [mn_jhf
]hlh\yl ba jZkq_lZ  ]1D&OgZe jZkl\hjZ  ojhfh]_g q_jguc \ \b^_
kmohckf_kbk
NaCl
oehjb^gh
-
ZffbZqguc[mn_jgucjZkl\hjkjG <
fe ^bklbeebjh\Zgghc \h^u jZkl\hjyxl  ]
NH
4
Cl
 ijbeb\Zxl  fe  
NH
4
OH
b^heb\ZxljZkl\hj^h e^bklbeebjh\Zgghc\h^hc

Страницы