In this paper, the
measurement of organic matter content in the
soils containing
Cl- is carried out, and the retrieval table for eliminating the
disturbance of Cl- by adding H 2SO 4 in advance is developed. The experimental results are as follows: (1) The disturbance of Cl- can be
eliminated for 18.0% when the organic matter content in soils ≤0.2%; (2) The disturbance of Cl- can be eliminated for 8.0% when the organic matter content in soils
varies in a
range of 0.2～0.6%; (3) The disturbance of Cl- can be eliminated for 6.0% when the organic matter content in soils varies in a range of >0.6%～<1.0%; (4) The disturbance of Cl- can be eliminated for 26.0% when the organic matter content in soils varies in a range of 1.0～1.3%; (5) The disturbance of Cl- can be eliminated for 14.0% when the organic matter content in soils varies in a range of 1.3～ 1.6%; (6) The disturbance of Cl- can be eliminated for 8.0% when the organic matter content in soils varies in a range of 1.6～1.9%; (7) The disturbance of Cl- can be eliminated for 4.0% when the organic matter content in soils varies in a range of 1.9～2.3%; (8) The disturbance of Cl- can be eliminated for 1.6% when the organic matter content in soils varies in a range of 2.3～2.8%; (9) The disturbance of Cl- can be eliminated for 1.2% when the organic matter content in soils varies in a range of 2.8～3.2%; (10) The disturbance of Cl- can be eliminated for 0.6% when the organic matter content in soils varies in a range of 3.2～3.6%; (11) The disturbance of Cl- can be eliminated for 0.4% when the organic matter content in soils varies in a range of 3.6～ 3.8%; (12) The disturbance of Cl- can be eliminated for 50.0% when the organic matter content in soils is 4.0%; (13) The disturbance of Cl- can be eliminated for 42.0% when the organic matter content in soils varies in a range of 4.0～4.49%; (14) The disturbance of Cl- can be eliminated for 32.0% when the organic matter content in soils varies in a range of 4.4～4.5%; and (15) The disturbance of Cl- can be eliminated for 30.0% when the organic matter content in soils varies in a range of 4.6～5.0%.