TY - GEN AU - McPHERSON,M B TI - Modification of a standard chlorine comparator for field ortho-tolidine-arsenite (OTA) tests SN - 0096-9443 PY - 2010///1028 KW - Arsenites KW - Chlorine KW - analysis KW - Ions KW - Water Purification N1 - Publication Type: Journal Article ER -