Stability: 2-100 ppb levels stable for months in 1% HNO 3 / LDPE container. Stable with most metals and inorganic anions forming insoluble silicates, carbonates, hydroxides, oxides, and tungstates in neutral and slightly acidic media. Avoid HF, H 3PO 4, and neutral to basic media. HNO 3 or H 2SO 4) B(OH) 3 (water soluble) Ores (avoid acid digestions and use caustic fusions in Pt 0) Organic Matrices (dry ash mixed with Na 2CO 3 in Pt 0at 450☌ then increase heat to 1000☌ to fuse or perform a Na 2O 2 fusion in a Ni 0 crucible / Parr bomb).Ĭhemical Compatibility: Soluble in HCl, HNO 3 and H 2SO 4. 1000-10,000 ppm stable for years in dilute NH 4OH / LDPE container.ī Containing Samples (Preparation & Solution): Metal (crystalline form is scarcely attacked by acids or alkaline solutions amorphous form is soluble in conc. 1-1,000 ppm solutions chemically stable for years in 1% HNO 3 / LDPE container. Stable with all metals and inorganic anions at low to moderate ppm levels.
Do not return portions removed for pipetting to container.Ĭhemical Compatibility: Moderately soluble in HCl, HNO 3, H 2SO 4 and HF aqueous matrices and very soluble in NH 4OH. Storage & Handling: Keep tightly sealed when not in use.
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