Catalizzatore Kjeldahl (Cu-Se), per determinazione rapida di azoto, secondo Wieninger
- Synonyms: Wieninger's reagentr- Solub. in water: (20 ºC): partially solubler- GHS-H sentences: H412r- GHS-P sentences: P273 - P501ar- Tariff number: 3822 00 00 00r- Applications: analytical chemistry, nitrogen determinations.rrSPECIFICATIONSrrsulfate (complexometric): min. 1,45 %rassay of selenium (gravimetric): min. 1,5 %rassay of sodium sulfate (acidimetric): min. 94 %rsuitability for det. of total N: passes testr
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