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It is colorless rhombic or monoclinic crystals or white crystalline powder.The relative density is 1.58 and the melting point is at 107.5℃.It is easily soluble in the water,readily forming an alksline solution.(The density of saturated solution is 11,.9/g100ml at 0 ℃ and 27g/100ml at 30℃) The PH value of 0.08%solution is 7.8.It issolution in glycerin.It decomposes into carbon dioide and ammonia.Its hygroscopicity is strong and after moisture-absorbing it gives of the irritating smell of ammonia which is not present when the material is dry.It easily effloresces in the air.
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ITEM
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STANDARD
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Purity(as NH4HCO3)
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99.2-100.5%
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Chloride(as Cl-)
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0.007%max
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Sulphur(as S2-) |
0.0002%max |
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Sulphate(as SO42-)
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0.007%max
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Involatile matter
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0.008%max
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Iron
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0.002%max
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Arsenic(as As)
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0.0002%max
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Heavy metal(as Pb)
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0.0005%max
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Application:
Mainly used as advanced food baking powder.It is employed together with Sodium Bicarbonate as a constituent of agent for bread,biscuit and pancake.And also it is a raw material for foamed juice.It is used in rinsing in boiling water for green vagetables and bamboo shoot and in medicine and reagents.
In 25kg bags