Selenium Standard Solution
ürün Kodu : 119796.0100Sorunuz!
Ürün bilgisi | |||
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Synonyms | Selenium standard for aqueous matrices ready foruse | ||
HS Code | 3822 00 00 |
Kimyasal ve fiziksel veri | |||
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Solubility | (20 °C) soluble | ||
Density | 1.013 g/cm3 (20 °C) | ||
pH value | 0.5 (H2O, 20 °C) |
Güvenlik bilgisi | |||
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R Phrase | R 36/38 Irritating to eyes and skin. |
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S Phrase | S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
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Categories of danger | irritant | ||
Hazard Symbol |
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Storage class | 8 B Non-combustible corrosive substances | ||
WGK | WGK 1 slightly water endangering | ||
Disposal | 17 Inorganic selenium compounds are toxic and must be handled with caution. Container E. Elemental selenium can be recovered by first oxidizing the salts in aqueous solution with concentrated Nitric acid (Cat.No. 100443). The addition of Sodium hydrogen sulfite solution (Item No. 806356) then causes elemental selenium to precipitate out. Aqueous phase: Container D. |