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1000ug/mL OSMIUM 125mLPlease Login or Register to see price.
Location: Group 8, Period 6
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. Stable with most metals and inorganic anions as the [OsCl6]2- in dilute HCl media. DO NOT EXPOSE TO NITRIC ACID - FORMATION OF THE VERY VOLATILE AND TOXIC OsO4 WILL RESULT. Any oxidizing condition must be avoided.
Stability: 2-100 ppb levels are NOT stable in 1% HNO3 / LDPE container. The stability of HCl solutions at ppb levels has not been determined by our laboratory. 1-10,000 ppm solutions are presumed chemically stable for years in 10% HCl / LDPE container, stability studies have not been performed.
Os Containing Samples (Preparation & Solution): Oxides (fuse with KOH / KNO3 in a Ag0 crucible and dissolve in water being sure to avoid addition of any acid); Ores (see Oxides); Organics (the OsO4 is volatile and acidic oxidizing preparations should be used with caution. The preferred approach is the KOH / KNO3 fusion and dissolution of the fuseate in water. Our laboratory has used APDC to help stabilize Os solutions, but more work is required to validate its effectiveness).
NOTE: The presence of the OsO4 will give false high results due to its enhanced nebulization efficiency (volatility). Only dilutions in HCl should be made. The use of nitric acid should be strictly avoided. Preparations from caustic nitrate fusions should be diluted in water.
|Atomic Spectroscopic Information:|
1000ug/mL OSMIUM 125mL
15% v/v Hydrochloric Acid
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✔ Produced under ISO 17025
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✔ Assayed by validated ICP-OES procedures
✔ Trace metallic impurities determined by ICP and ICP-MS
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