Thin (0.04 mm) and lightweight (43 g/m²) Transparent and smooth parchment surface Simple weighing out and sample transfer Reliable for quantitative transfer Range of sheet sizes for ease of use Low nitrogen paper that is residuefree for accurate chemical analysis Grade B2 Whatman weighing paper from Cytiva dissolves residuefree in acid solution, which is critical in applications such as Kjeldahl analysis of nitrogen in soil.