Grade 43: 16 μm
Intermediate in retention between Grade 40 and 41, and twice as fast as Grade 40. Typical applications include foodstuffs
analysis; soil analysis; particle collection in air pollution monitoring for subsequent analysis by XRF techniques; and
inorganic analysis in the construction, mining and steel industries.
| Whatman | -1443-090 | Filter Paper No. 43 Dia 9.0 cm (Ashless) Quantitative | 100 |
| Whatman | -1443-110 | Filter Paper No. 43 Dia 11.0 cm (Ashless) Quantitative | 100 |
| Whatman | -1443-125 | Filter Paper No. 43 Dia 12.5 cm (Ashless) Quantitative | 100 |
| Whatman | -1443-150 | Filter Paper No. 43 Dia 15.0 cm (Ashless) Quantitative | 100 |
| Whatman | -1443-185 | Filter Paper No. 43 Dia 18.5 cm (Ashless) Quantitative | 100 |
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