VWR® Low Nitrogen Content Filters, Grade 521
516-0316
- Grade:521
- Size:90 mm
- Environmentally Preferable:
- Thickness:0,17 mm
- Weight:85 g/m²
- Filtration speed:650 s (Herzberg)
- Pk:100
Low nitrogen content filters for determination of nitrogen content in steel and iron samples dissolved in acid. Filtration of fine precipitates to dissolve according Kjeldahl method.