Cena s DPH / bez DPH
sklademVydáno: 1983-12-01
ISO 7408:1983
ISO 7408:1983 - Fertilizers — Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide — Titrimetric method
Formát
Dostupnost
Cena a měna
Anglicky PDF
K okamžitému stažení
Tisknutelné
1258 Kč
Francouzsky PDF
K okamžitému stažení
Tisknutelné
1258 Kč
Anglicky Tisk
Skladem
1258 Kč
Francouzsky Tisk
Skladem
1258 Kč
| Označení normy: | ISO 7408:1983 |
| Vydání: | 1 |
| Vydáno: | 1983-12-01 |
| Počet stran (Anglicky): | 5 |
| Počet stran (Francouzsky): | 5 |
Popis
ISO 7408:1983
The method consists in entraining, by means of a strong current of air, of the ammonia from a moderately alkaline test mixture at ambient temperature into standard volumetric sulfuric acid solution, and back-titrating of the excess sulfuric acid solution with standard volumetric sodium hydroxide solution.