Dipotassium Phosphate

Dipotassium Phosphate

Orukọ Kemikali:Dipotassium Phosphate

Fọọmu Molecular:K2HPO4

Ìwọ̀n Molikula:174.18

CAS: 7758-11-4

Ohun kikọ:Ko ni awọ tabi funfun granule square square tabi lulú, ni irọrun deliquescent, ipilẹ, insoluble ni ethanol.Iye pH jẹ nipa 9 ni 1% ojutu olomi.


Alaye ọja

Lilo:Ni ile-iṣẹ ounjẹ, a lo bi oluranlowo buffering, oluranlowo chelating, ounje iwukara, iyọ emulsifying, oluranlowo amuṣiṣẹpọ ti egboogi-ifoyina.

Iṣakojọpọ:O ti wa ni aba ti pẹlu polyethylene apo bi akojọpọ Layer, ati ki o kan yellow ṣiṣu hun apo bi lode Layer.Iwọn apapọ ti apo kọọkan jẹ 25kg.

Ibi ipamọ ati Gbigbe:O yẹ ki o wa ni ipamọ ni ibi gbigbẹ ati ile-itaja atẹgun, ti a tọju kuro ninu ooru ati ọrinrin lakoko gbigbe, ti kojọpọ pẹlu itọju ki o yago fun ibajẹ.Pẹlupẹlu, o gbọdọ wa ni ipamọ lọtọ lati awọn nkan oloro.

Iwọn Didara:(FCC-V, E340(ii), USP-30)

 

Orukọ atọka FCC-V E340(ii) USP-30
Apejuwe Awọ tabi funfun granular lulú, kirisita tabi ọpọ eniyan;nkan ti o bajẹ, hygroscopic
Solubility - Larọwọto tiotuka ninu omi.Ailopin ninu ethanol -
Idanimọ Kọja idanwo Kọja idanwo Kọja idanwo
iye pH - 8.7—9.4(1% ojútùú) 8.5–9.6(5% ojutu)
Akoonu (gẹgẹbi ipilẹ gbigbẹ) % ≥98.0 ≥98.0 (105 ℃, 4h) 98.0-100.5
Akoonu P2O5 (ipilẹ anhydrous) % - 40.3–41.5 -
Omi ti ko le yo (ipilẹ anhydrous) ≤% 0.2 0.2 0.2
Carbonate - - Kọja idanwo
Kloride ≤% - - 0.03
Sulfate ≤% - - 0.1
Organic iyipada impurities - - Kọja idanwo
Fluoride ≤ppm 10 10 (ti a fihan bi fluorine) 10
Monobasic tabi iyo tribasic - - Kọja idanwo
Pipadanu lori gbigbe ≤% 2 (105 ℃, 4h) 1 (105℃)
Awọn irin ti o wuwo ≤ppm - - 10
Iṣuu soda - - Kọja idanwo
Bi ≤ppm 3 1 3
Irin ≤ppm - - 30
Cadmium ≤ppm - 1 -
Makiuri ≤ppm - 1 -
Asiwaju ≤ppm 2 1 -

 

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