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Water quality. Silica determination. Colorimetric method with molybdic silicate.
Available languages: Spanish
Available design: electronic design (pdf), Print design
Water quality. Manganese determination. Colorimetric method with ammonic persulfate.
Available languages: Spanish
Available design: electronic design (pdf), Print design
Water quality. Chromiun determination. Colorimetric method with diphenyl carbazide .
Available languages: Spanish
Available design: electronic design (pdf), Print design
Specification for masonry units - Part 1: Clay masonry units
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Specification for masonry units - Part 2: Calcium silicate masonry units
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Specification for masonry units - Part 4: Autoclaved aerated concrete masonry units
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Specification for masonry units - Part 5: Manufactured stone masonry units
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Specification for masonry units - Part 6: Natural stone masonry units
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Evaluation of the potential efficacy of hidrocarbon dispersants in marine environment. Dispersants efficacy test
Available languages: Spanish
Available design: electronic design (pdf), Print design