Kjeldahl catalyst (Cu-Se), for quick determination of nitrogen, according to Wieninger
- Synonyms: Wieninger's reagent
- Solub. in water: (20 ºC): partially soluble
- GHS-H sentences: H412
- GHS-P sentences: P273 - P501a
- Tariff number: 3822 00 00 00
- Applications: analytical chemistry, nitrogen determinations.
SPECIFICATIONS
sulfate (complexometric): min. 1,45 %
assay of selenium (gravimetric): min. 1,5 %
assay of sodium sulfate (acidimetric): min. 94 %
suitability for det. of total N: passes test
- Solub. in water: (20 ºC): partially soluble
- GHS-H sentences: H412
- GHS-P sentences: P273 - P501a
- Tariff number: 3822 00 00 00
- Applications: analytical chemistry, nitrogen determinations.
SPECIFICATIONS
sulfate (complexometric): min. 1,45 %
assay of selenium (gravimetric): min. 1,5 %
assay of sodium sulfate (acidimetric): min. 94 %
suitability for det. of total N: passes test
- Synonyms: Wieninger's reagent
- Solub. in water: (20 ºC): partially soluble
- GHS-H sentences: H412
- GHS-P sentences: P273 - P501a
- Tariff number: 3822 00 00 00
- Applications: analytical chemistry, nitrogen determinations.
SPECIFICATIONS
sulfate (complexometric): min. 1,45 %
assay of selenium (gravimetric): min. 1,5 %
assay of sodium sulfate (acidimetric): min. 94 %
suitability for det. of total N: passes test
Volume
x 1 kg
x 1 kg
Volume
x 5 kg
x 5 kg
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