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UNE - Spanish national standards
Page 221
UNE-EN 12121:2022 (21/12/2022)
Chemicals used for treatment of water intended for human consumption - Sodium disulfite
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 69.60 EUR more info
UNE-EN 12122:2025 (03/09/2025)
Chemicals used for treatment of water intended for human consumption - Ammonia solution
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 70.60 EUR more info
UNE-EN 12123:2022 (21/12/2022)
Chemicals used for treatment of water intended for human consumption - Ammonium sulfate
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 68.60 EUR more info
UNE-EN 12124:2022 (21/12/2022)
Chemicals used for treatment of water intended for human consumption - Sodium sulfite
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 67.60 EUR more info
UNE-EN 12125:2022 (21/12/2022)
Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 68.60 EUR more info
UNE-EN 12126:2022 (21/12/2022)
Chemicals used for treatment of water intended for human consumption - Liquefied ammonia
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 67.60 EUR more info
UNE-EN ISO 12127-1:2018 (05/09/2018)
Clothing for protection against heat and flame - Determination of contact heat transmission through protective clothing or constituent materials - Part 1: Contact heat produced by heating cylinder (ISO 12127-1:2015)
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 65.70 EUR more info
UNE-EN 12127:1998 (30/03/1998)
TEXTILES. FABRICS. DETERMINATION OF MASS PER UNIT AREA USING SMALL SAMPLES.
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 47.00 EUR more info
UNE-EN 12128:1998 (23/09/1998)
Biotechnology - Laboratories for research, development and analysis - Containment levels of microbiology laboratories, areas of risk, localities and physical safety requirements
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 71.50 EUR more info
UNE-EN 1213:2000 (17/04/2000)
Building valves - Copper alloy stopvalves for potable water supply in buildings - Tests and requirements
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 65.70 EUR more info
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