HPTLC-r.-to-use foil ALUGRAM® Nano-SIL G, 20x20cm, aluminium foil, 0.2 mmHPTLC r. to use foil ALUGRAM Nano SIL G, 20x20cm, aluminium foil, 0. 2 mm Material: aluminium with nano silica gel 60. HPTLC Plates with Nano Silica Gel Nano silica gel: Specific surface: approx. 500 m2 g Medium pore width: 60 Specific pore volume: 0,75 ml g Particle size: 2 10 m Advantages over the standard plates: Higher separation effect Shorter separation times and distances Smaller sample amounts of 0. 01 0. 1 l (10 100 nanolitre) Lower diffusion