1.10958
Kjeldahl tablets
for Wieninger method 5g/tablet
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About This Item
NACRES:
NB.21
UNSPSC Code:
12352402
Quality Segment
form
tablet
specific analyte(s)
nitrogen
technique(s)
photometry: suitable
pH
5 (20 °C, 200 g/L in H2O)
solubility
200 g/L
storage temp.
no temp limit
General description
Type: Wieninger catalyst Composition:
Na2SO4 96.5%
CuSO4 1.5%
Se 2.0%
Na2SO4 96.5%
CuSO4 1.5%
Se 2.0%
Analysis Note
Appearance: grey tablets
Application test: conforms
Grey colour of the product is caused by raw material and does not affect the application.
Application test: conforms
Grey colour of the product is caused by raw material and does not affect the application.
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hcodes
pcodes
Hazard Classifications
Aquatic Chronic 3
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
7782-49-2
CAS No.
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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