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CALCIUM NITRATE as cement additive and Fertilizer
Calcium Nitrate is mainly used as a nitrogen fertilizer in agriculture and is produced in granulated form. It is also used in wastewater pre-conditioning for odor emission prevention, and in set accelerating concrete admixtures. The dissolution of anhydrous calcium nitrate is highly endothermic.
CALCIUM NITRATE LR Calcium Nitrate is mainly used as a nitrogen fertilizer in agriculture and is produced inCALCIUM NITRATE LR Calcium Nitrate is mainly used as a nitrogen fertilizer in agriculture and is produced in granulated form.
The effect of calcium nitrate on compressive strength is that it increases the very early strength (e.g. 8 h) due to more maturity caused by earlier strength, about equal 1 day strength, but higher long term strength. The latter effect is probably due to the formation of nitrate-AFm, C3A·Ca(NO3)2·10H2O, and the stabilisation of ettringite leading to more bound water, less porosity and thereby higher strength.
At this dosage, calcium nitrite also acts as a setting and hardening accelerator. In the case of repair works where a layer of about 100 mm.
Calcium nitrate has been investigated as an agent to control sulfide generation by sulfate reducing bacteria in oily, waste water environments.It is used in such industrial processes as the manufacture of fertilizers, matches, and radio tubes.