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110958 Kjeldahl tablets

110958
Purchase on Sigma-Aldrich

Overview

Products

Catalogue NumberPackaging Qty/Pack
1109580250 Plastic can 250 tabs
1109581000 Plastic bottle 1000 tabs
Description
Catalogue Number110958
OverviewType: Wieninger catalyst Composition:
Na2SO4    96.5%
CuSO4    1.5%
Se    2.0%
Product Information
HS Code3815 90 99
Quality LevelMQ100
Physicochemical Information
pH value5 (200 g/l, H₂O, 20 °C)
Solubility200 g/l
Safety Information according to GHS
Hazard Statement(s)H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s)P273: Avoid release to the environment.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/ attention.
P501: Dispose of contents/ container to an approved waste disposal plant.
Storage class10 - 13 Other liquids and solids
WGKWGK 3 highly hazardous to water
Disposal17
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.
Safety Information
Categories of dangerdangerous for the environment
Storage and Shipping Information
StorageNoTempLimit
Transport Information
Declaration (railroad and road) ADR, RIDKein Gefahrgut
Declaration (transport by air) IATA-DGRNo Dangerous Good
Declaration (transport by sea) IMDG-CodeNo Dangerous Good
Specifications
Appearancegrey tablets
Application testconforms
Grey colour of the product is caused by raw material and does not affect the application.
Global Trade Item Number
Catalogue Number GTIN
1109580250 04022536129020
1109581000 04022536129037