Cobalt 10,000ug/mL

Cobalt

Location: Group 9, Period 4
Atomic Weight: 58.9332
Coordination Number: 6
Chemical Form in Solution: Co(H₂O)₆²⁺

Storage & Handling: Keep tightly sealed when not in use. Store and use at 20 ± 4°C. Do not pipet from container. Do not return portions removed for pipetting to container.

Chemical Compatibility: Stable in HCl, HNO₃, H₂SO₄, HF and H₃PO₄. Avoid basic media. Stable with most metals and inorganic anions in acidic media.

Stability: 2-100 ppb levels stable for months in 1% HNO₃ / LDPE container. 1-10,000 ppm solutions chemically stable for years in 1-5% HNO₃ / LDPE container.

Co Containing Samples (Preparation & Solution): Metal (soluble in HNO₃); Oxides (soluble in HCl); Ores (dissolve in HCl / HNO₃).

Atomic Spectroscopic Information: (red text indicates severe at ~ concs.)

Technique / Line	Estimated D.L.*	Order	Type	Interferences
ICP-OES 238.892 nm	0.01/.002 µg/mL	1	ion	Fe, W, Ta
ICP-OES 228.616 nm	0.01/.001 µg/mL	1	ion
ICP-OES 237.862 nm	0.01/.002 µg/mL	1	ion	W, Re, Al, Ta
ICP-MS 59 amu	2 ppt	n/a	M⁺	⁴²Ca¹⁶O¹H, ⁴⁰Ar¹⁸O¹H, ³⁶Ar²³Na, ⁴³Ca¹⁶O, ²⁴Mg³⁵Cl
*ICP-OES D.L.'s are given as radial / axial view
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Cobalt 10,000ug/mL

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