Platinum

Analytical Periodic Table
Platinum Expanded View

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Location:  Group 10, Period 6
Atomic Weight:  195.08
Coordination Number:  6
Chemical Form in Solution:  Pt(Cl)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 and HNO3, as the chloride complex. Avoid basic media. Stable with most metals and inorganic anions in acidic media.

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

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

Atomic Spectroscopic Information:  (red text indicates severe at ~ concs.)
Technique / LineEstimated D.L.*OrderTypeInterferences
ICP-OES 214.423 nm0.03/.003 µg/mL1ionW, As, Ir, Cd
ICP-OES 203.646 nm0.06/.006 µg/mL1ionCo, Hf
ICP-MS 195 amu5 pptn/aM+179Hf16O
*ICP-OES D.L.'s are given as radial / axial view

Platinum (Pt) Single-Element Standard
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