STN 72 2041-19
Name: | STN 72 2041-19 |
Validity: | Valid |
Number of pages: | 4 |
Language: |
CS
|
Paper: | 2,80€ |
Electronic version |
a) Only read (without ability to print and copy)
2,52€ b) Without ability to print, with ability to copy (printscreen) 2,80€ c) With ability to print and copy (printscreen) 3,64€ |
Slovak title | Chemický rozbor oceliarskej trosky. Časť 19: Stanovenie celkovej síry |
English title | Chemical analysis of steel-making slag. Determination of total sulphur content |
Release Date: | 01. 08. 1992 |
Date of withdrawal: | |
ICS: | 71.040.40, 91.100.15, 91.100.20 |
Sorting character/National clasification code | 72 2041 |
Level of incorporation: | |
Official Journal | 08/92 |
Amendments | |
Replaced by: | |
Repleces: | |
Note in Official Journal: | |
Subject of the standard: | Tato norma urcuje spalovaci metodu s titracnim zakoncenim pro stanoveni celkove siry. Pri provadeni rozboru musi byt dodrzeny vseobecne pozadavky stanovene v CSN 72 2041-1. Vzorek se spaluje pri teplote 1 350 |stupnu| C v proudu vzduchu v pritomnosti medi jako spalovaci prisady. Tim se sira obsazena ve strusce prevadi na oxid siricity, ktery se absorbuje ve vode a prubezne titruje odmernym roztokem jodu na skrob jako indikator. |