Dicalcium orthophosphate dihydrate (CaHPO 4 .2H 2 O) that has been stabilized against spontaneous hydrolysis and/or decomposition with a small amount of tetrasodium …
WhatsApp: +86 18221755073Priority to US05/646,680 priority patent/US4089943A/en Application granted granted Critical ... calcium pyrophosphate, magnesium orthophosphate, trimagnesium …
WhatsApp: +86 18221755073dicalcium phosphate dihydrate may improve stability against spontaneous hydrolysis and/or decomposition. In any event, it can be seen that there is a need for a method of preparing …
WhatsApp: +86 18221755073Si Liaodengji dicalcium phosphate feed grade or tricalcium phosphate are mainly as additive for farm animal feed and chemical fertilizer and for pottery, stained glass manufacture etc.The …
WhatsApp: +86 18221755073(Cl. 23-109) The present invention is concerned with a process for the manufacture of dicalcium phosphate dihydrate from a calcium compound, phosphoric acid and/ or a phosphoric acid salt …
WhatsApp: +86 18221755073Compositions containing calcium phosphate and microcrystalline cellulose are useful as excipients in the preparation of solid dosage forms containing active pharmaceutical …
WhatsApp: +86 18221755073Phosphoric acids which are obtained on acidification of natural phosphates are purified and then neutralized to produce dicalcium phosphate. In the US patent no.6183712 a process wherein …
WhatsApp: +86 18221755073the undesirable after-thickening can be largely avoided in the short-term process described at the outset if, after stabilization has been carried out with the dimagnesium phosphate trihydrate …
WhatsApp: +86 18221755073United States Patent 4154799. A process is described for highly efficient recovery of phosphate values from a wide range of phosphate rock including low grade phosphate rock material by …
WhatsApp: +86 182217550731. A process for producing dicalcium phosphate from rock phosphate which comprises: (a) Continuously feeding finely divided rock phosphate, sulfuric acid, and sea water to a first …
WhatsApp: +86 18221755073A process for preparing granular dicalcium phosphate suitable for use as an animal feed supplement, which comprises the steps of: agitating a slurry of finely divided calcium oxide …
WhatsApp: +86 18221755073The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid. The process comprises the reaction of an excess of …
WhatsApp: +86 18221755073A granular directly compressible anhydrous dicalcium phosphate having a particle size sufficient for efficient direct compression tableting, preferably at least 90 percent greater than 44 …
WhatsApp: +86 18221755073Example 1 100 parts by weight of monosodium phosphate solution having a P O -content of 15.6% were mixed with 19 parts by weight of calcium sulfate dihydrate and 8 parts by weight of …
WhatsApp: +86 18221755073The present invention discloses a method for producing feed grade mono-dicalcium phosphate. The present invention is characterized in that firstly, diluted phosphoric acid and a calcium …
WhatsApp: +86 18221755073anhydrous dicalcium phosphate particles whose agglomerates have a small variation in size and which have a small bulk, high tableting strength and excellent flowability and handling …
WhatsApp: +86 18221755073The process for the production of a granular, animal feed grade, dicalcium phosphate product which comprises forming a slurry having a solids content between about 50% and about by …
WhatsApp: +86 18221755073A granular anhydrous dicalcium phosphate having a particle of a size sufficient for direct compression tablets and a surface area of greater than 5 meters²/gram can be direct …
WhatsApp: +86 18221755073This solution having a pH of 2.5 to 3.5 and containing a mixture of phosphoric acid and monocalcium phosphate which has been separated by decantation or filtration from the …
WhatsApp: +86 18221755073This invention relates to a process for the manufacture of feed grade dicalcium phosphate. Dicalcium phosphate known, as DCP is a commonly used animal feed supplement and it is …
WhatsApp: +86 18221755073Dicalcium;phosphate | Ca2O4P+ | CID 21584077 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ...
WhatsApp: +86 18221755073Anhydrous dicalcium phosphate having an assay of at least 90 percent by weight and composed of particles, a major proportion of which have a particle size of from about 0.1 to 1.0 microns …
WhatsApp: +86 18221755073A method of producing dicalcium phosphate from calcium phosphate includes reacting the calcium phosphate with a mineral acid such as sulphuric acid to produce a …
WhatsApp: +86 18221755073Dicalcium phosphate dihydrate, CaHPO4 2H2O, is produced from phosphoric acid and/or a phosphoric acid salt, a calcium compound and, if desired, a basic compound, by a process …
WhatsApp: +86 18221755073United States Patent 7101522. A process is provided for the production of dicalcium phosphate form a phosphate source material in which a solution of phosphoric acid is produced by the …
WhatsApp: +86 18221755073A granular anhydrous dicalcium phosphate having a particle of a size sufficient for direct compression tablets and a surface area of greater than 5 meters 2 /gram can be direct …
WhatsApp: +86 18221755073Dicalcium phosphate, CaHPO4, also known as calcium hydrogenphosphate, has a relatively high phophorous content (22.8% m:m) and may be used as a fertilizer. It is also used …
WhatsApp: +86 18221755073However, said known process does not deal with the dehydration of granules of dicalcium phosphate dehydrate. US-patent no. 3 134 719 teaches a process of preparing tablets of …
WhatsApp: +86 18221755073Dicalcium phosphate (CaHPO 4) can be present as dihydrate (CaHPO 4.2H 2 O), ... Every document cited herein, including any cross referenced or related patent or application …
WhatsApp: +86 18221755073A process for the production of dicalcium phosphate from a phosphate source material comprising the steps of: i. preparing a solution of phosphoric acid by the action of a suitable mineral acid...
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