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                                Dicalcium Phosphate Dihydrate
                                creation date:2018-05-27 01:57:56     reading number:727 times     come from:Suqian Modern Biology Technology Co., Ltd
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                                1.Chemical Name: Dicalcium Phosphate Dihydrate

                                 

                                2.Formula: CaHPO4.2H2O       

                                 

                                3.Molecular weight: 172.09

                                 

                                4.Properties:White, monoclinic crystalline powder; soluble in dilute Hydrochloric, Nitric and acetic acids, slightly soluble in water , insoluble in ethanol, when heated to 75°C, it may lose crystal water, convert to Anhydrous.

                                 

                                5.Quality standard:

                                Index

                                GB24568-2009

                                1. Stability

                                Accord with the test

                                2. PH value(20% turbid liquid)

                                  6.9~8.1

                                3. Loss on ignition,%

                                24.5~26.5

                                4.Acid  insoluble substances%

                                ≤0.2

                                5.Chlorides%

                                ≤0.3

                                6.Carbonates

                                Accord with the test

                                7.Fluorides

                                ≤50 ppm

                                8.Fineness(pass 45Um mesh),%

                                ≥99.0

                                9.Arsenic

                                ≤1ppm

                                10.Absorptive water capacity(ml/20g)%

                                4.5~6.5

                                11.Content( As CaO)%

                                31.4~32.9

                                12.Degree of whiteness, %

                                ≥95.0

                                13.P2O5,%

                                40.7~42.5

                                14.Content, %

                                ≥98.5

                                15.Heavy metals(As Pb)

                                ≤10ppm

                                16.60 D.C. Water Loss, %

                                ≤0.6

                                17.Titration value

                                57~61 ml

                                18.Set Test

                                Pass theTest

                                19.Relative stability of F

                                 Pass the test

                                20.Fe

                                <30ppm

                                21.Sulphates as S%

                                 <250ppm

                                22.Apparent density

                                0.7~1.0

                                23. Bacterial 

                                <1000 cfu/g

                                24.Mould

                                <100  cfu/g

                                25.Moisture at60 °C

                                <1%

                                 

                                6.Applications:In daily chemical industry, it is used as frictional agent for making top quality tooth paste, especially foaming type tooth paste.

                                 

                                7.Packing:25kgs net paper or plastic woven bags

                                 

                                8. Storage conditions: In a dry and clear warehouse; kept away from moisture and hot.

                                磷酸氫鈣.jpg

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