Filter :
Standard and/or project | Stage | TC |
---|---|---|
Urea for industrial use — Determination of nitrogen content — Titrimetric method after distillation |
95.99 | ISO/TC 47 |
Urea for industrial use — Determination of alkalinity — Titrimetric method |
95.99 | ISO/TC 47 |
Urea for industrial use — Determination of ash |
95.99 | ISO/TC 47 |
Urea for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method |
95.99 | ISO/TC 47 |
Urea for industrial use — Measurement of the pH of a solution of urea of conventional concentration (100 g/l) — Potentiometric method |
95.99 | ISO/TC 47 |
Urea for industrial use — Measurement of colour in Hazen units (platinum-cobalt scale) of a urea-formaldehyde solution |
95.99 | ISO/TC 47 |
Urea for industrial use — Determination of the buffer coefficient — Potentiometric method |
95.99 | ISO/TC 47 |
Urea for industrial use — Measurement of the variation of pH in the presence of formaldehyde — Potentiometric method |
95.99 | ISO/TC 47 |
Urea for industrial use — Determination of water content — Karl Fischer method |
95.99 | ISO/TC 47 |
Urea for industrial use — Determination of biuret content — Photometric method |
95.99 | ISO/TC 47 |
Urea for industrial use — Determination of biuret content — Flame atomic absorption and photometric absorption methods |
95.99 | ISO/TC 47 |
Caprolactam for industrial use — Determination of absorbance at a wavelength of 290 nm |
90.92 | ISO/TC 61/SC 5 |
Caprolactam for industrial use — Determination of absorbance at a wavelength of 290 nm |
50.20 | ISO/TC 61/SC 5 |
Caprolactam for industrial use — Determination of crystallizing point |
95.99 | ISO/TC 61/SC 5 |
Caprolactam for industrial use — Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units (platinum-cobalt scale) — Spectrometric method |
90.92 | ISO/TC 61/SC 5 |
Caprolactam for industrial use — Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units (platinum-cobalt scale) — Spectrometric method |
50.20 | ISO/TC 61/SC 5 |
Caprolactam for industrial use — Determination of permanganate index — Spectrometric method |
95.99 | ISO/TC 61/SC 5 |
Plastics — Determination of permanganate absorption number of caprolactam — Spectrometric method |
90.93 | ISO/TC 61/SC 5 |
Caprolactam for industrial use — Determination of volatile bases content — Titrimetric method after distillation |
95.99 | ISO/TC 61/SC 5 |
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