A negatively charged ion.

The term "anion" was found in the following pages:

Arsenic species distribution in drinking water wells in the USA with high arsenic concentrations | EVISA's News
Highly selective Cr(VI) determination at ultra-trace levels using on-line trapping of Cr(III) with ICP-MS detection | EVISA's News
Flow-injection inductively coupled plasma mass spectrometry for speciation analysis | EVISA's News
Bangladeshi scientists get prestigious award for arsenic filter | EVISA's News
Instrument database: Aurora Biomed - Crysta 2000 Water Purification System
Link database: EPA-ORD: Method 218.6: Hexavalent Chromium in Water by Ion Chromatography
Instrument database: Dionex Corporation - ICS-1600 Standard Integrated IC System
A highly selective and robust HPLC-ICP-MS arsenic speciation method for urine analysis | EVISA's News
Arsenic speciation in rice: a question of the rice plant species | EVISA's News
Link database: USGS: Method I-2192-02: Laboratory arsenic speciation, malonate/acetate mobile phase, ICP-MS detection, dissolved
Instrument database: Dionex Corporation - ICS-900 Starter Line IC System
Instrument database: Aurora Instruments Ltd. - Crysta 1000 Water Purification System
Arsenic speciation analysis in rice milk | EVISA's News
Chromium speciation in biological tissues | EVISA's News
Arsenic speciation in foodstuffs and water in relation to legislative requirements | EVISA's Agenda of Events
Determination of Thallium Speciation in Water Samples by HPLC-ICP-MS | EVISA's News
ICP-MS Analysis Suggests Metal-Binding Proteins Significantly More Abundant Than Thought | EVISA's News
Occurrence of Mercurous [Hg(I)] Species in Environmental Solid Matrices | EVISA's News
Link database: US EPA Method 1636: Determination of hexavalent chromium by ion chromatography
Arsenic species in the Most Consumed Seafoods in the USA | EVISA's News