Selenium standard ( 硒浓缩标准液 )

产品名称：Selenium standard ( 硒浓缩标准液 )
产品货号：1099150001
产品包装：Plastic ampoule
产品规格： 1 amp

产品信息
Synonyms Selenium standard for aqueous matrices
HS Code 3822 00 00
化学及物理数据
Solubility (20 °C) soluble
Density 1.03 g/cm3 (20 °C)
pH value 0.5 (H2O, 20 °C)
**标示
R Phrase R 33-34-51/53
Danger of cumulative effects.Causes burns.Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 26-36/37/39-45-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger corrosive, dangerous for the environment
Hazard Symbol Corrosive
Dangerous for the environment
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.
交通信息
Declaration (railroad and road) ADR, RID UN 2031 Salpetersäure, 8, II
Declaration (transport by sea) IMDG-Code UN 2031 NITRIC ACID NOT MORE THAN 20%, 8, II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 2031 NITRIC ACID, 8, II
分类
content (Se) 1000 mg / Ampoule
Determination method: ICP-OES. (traceable of NIST - SRM 3149) Accuracy of the method: +/- 5 mg

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