STN ISO 719
Name: | STN ISO 719 |
Validity: | Withdrawn |
Number of pages: | 12 |
Language: |
CS
|
Paper: | 9,70€ |
Electronic version |
a) Only read (without ability to print and copy)
8,73€ b) Without ability to print, with ability to copy (printscreen) 9,70€ c) With ability to print and copy (printscreen) 12,61€ |
Slovak title | Sklo. Odolnosť sklenej drviny proti vode pri 98 °C. Metóda skúšania a rozdelenia do tried |
English title | Glass. Hydrolytic resistance of glass grains at 98 °C. Method of test and classification |
Release Date: | 01. 10. 1992 |
Date of withdrawal: | 01. 08. 2022 |
ICS: | 19.020, 81.040.10 |
Sorting character/National clasification code | 70 0531 |
Level of incorporation: | obs ISO 719:1985 |
Official Journal | 10/92 |
Amendments | |
Replaced by: | |
Repleces: | STN 70 0531:1980-11 |
Note in Official Journal: | |
Subject of the standard: | Tato norma urcuje: a) metodu stanoveni odolnosti sklenene drti proti vode pri 98 |grad| C. Odolnost se meri a vyjadruje objemem kyseliny potrebne pro titraci vylouzenych alkalii z jednotkove hmotnosti skla a muze se vyjadrit take jako mnozstvi oxidu sodneho, odpovidajici objemu kyseliny; b) rozdeleni skla do trid podle odolnosti proti vode stanovene zkouskou podle mezinarodni normy. Tato norma je urcena k pouziti u mene odolnych typu skla. Pro vice odolna skla se prednostne pouzije metoda podle ISO 720. |