abstract |
The present invention relates to calcium hydroxide particles having a total pore volume greater than 0.18 cm³ / g, said total pore volume being calculated according to the BJH method for a range of pores having a diameter of between 20 and 1000 Å said particles being characterized in that the partial pore volume BJH for the range of pores having a diameter of between 20 and 100 Å corresponds to more than 20% of said total pore volume BJH. |