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                                Magnesium Oxide
                                creation date:2018-05-27 12:44:20     reading number:581 times     come from:Suqian Modern Biology Technology Co., Ltd
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                                1.Chemical Name:Magnesium Oxide

                                2.Formula:MgO

                                3.CAS:1309-48-4

                                4.Molecular weight:40.3

                                5.Properties:

                                Magnesium Oxide occurs as a very bulky, white powder known as Light Magnesium Oxide or as a relatively dense,white powder known as Heavy Magnesium Oxide. Five grams of Light Magnesium Oxide occupies a volume of approximately 40 to 50 mL, while 5 g of Heavy Magnesium Oxide occupies a volume of approximately 10 to 20 mL. It is soluble in dilute acids, practically insoluble in water, and insoluble in alcohol.

                                6.Function:pH control; neutralizer; anticaking agent; freeflowing agent; firming agent.

                                7.Quality Standard:

                                 

                                Index

                                USP32

                                Appearance

                                Very bulky,white powder or relatively dense, white powder or granulated powder

                                Solubility

                                Practically insoluble in water, soluble in dilute acids, insoluble in alcohol.

                                Identification

                                Must meet

                                ASSAY(on ignited basis)

                                96.0 – 100.5%

                                a) Free alkali
                                b) Soluble salt

                                A) NMT 2 ml acid consumed
                                B) NMT 2%

                                Acid Insoluble Substances

                                NMT 0.1 %

                                Calcium

                                NMT 1.1 %

                                Heavy Metals

                                NMT 20 ppm

                                Iron

                                NMT 0.05 %

                                Loss on Ignition

                                NMT 10.0%

                                Tapped Density

                                0.25-0.5g/ml

                                Particle Size

                                Minimum 95% passes through 325
                                mesh (<45 micron)

                                 

                                8. Packing: PE bag lined composite plastic woven bag, Net wt 20KG.

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