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Potassium


Potassium Citrate

CAS:

6100-05-6
Molecular Formula:

C6H5K3O7·H2O
Molecular Weight:

324.41
Appearance:

White granular
Identification:
A:

To pass test
B:

To pass test
Assay:

99.0 – 100.5%
Loss on Drying:

3.0 – 6.0%
Arsenic:

< 3ppm

Heavy Metals (as lead):

< 10ppm

Iron:

< 150ppm

Sulphate:

< 150ppm

Chloride:

< 50ppm

Oxalate:

< 300ppm

Readily Carbonisable Substance:

Complying with the test
Alkalinity:

Complying with the test
PH Test:

7.5 – 9.0
Lead:

< 1ppm

Volatile Organic Impurities:

Complying with the test
Tartrate:

Complying with the test
Sieve Analysis:

To pass test
Microbial Limits:
Total Aerobic Count:

5000cfu/g max
Total Molds and Yeasts:

300cfu/g max
E. Coli and Salmonella:

Absent
Bulk Density:
Loose:

0.60 – 1.10g/cc
Tapped:

0.70 - 1.20g/cc
Particle Size:
Thru a 10 mesh:

99.5% max
Between a 20 – 80 mesh:

> 70%
Thru a 100 mesh:

10% max

Potassium Gluconate

CAS:

299-27-4
Molecular Formula:

C6H11KO7
Molecular Weight:

234.27
Description:

White crystals powder or granules
Identification:

Meets the requirements
Organic volatile impurities:

Meets the requirements
Loss on drying:

6.0-7.5%
Monohydrate:

<1.0%

Reducing substances:
Assay (calculated on the anhydrous basis):

97.0%-103.0%
Heavy metals:

<0.002%

Potassium Phosphate Dibasic anhydrous

CAS:
Molecular Formula:
Molecular Weight:
Grade:
ACS10 Requirements:
Assay (K2HPO4):
PH of a 5% solution at 25°C:
Insoluble Matter:
Loss on Drying at 105°C:
Chloride (Cl):
Nitrogen compounds (as N):
Sulfate (SO4):
Heavy Metals (as Pb):
Iron (Fe):
Sodium (Na):
FCC5 Requirements:
Identification:

A 1 in 20 solution gives positive tests for Potassium and for Phosphate, Appendix IIIA.
Assay (K2MPO4 after drying):

> 98.0%
Arsenic (As):

< 3 mg/kg

Fluoride:

< 10 mg/kg

Heavy metals (as Pb):

< 0.0015%

Insoluble Substances:

< 0.2%

Lead:

< 2 mg/kg

Loss on Drying:

< 2.0%

Solubility in Water:

Clear & Colorless
USP28 Requirements:
Identification:

A solution (1 in 20) responds to the tests for Potassium <191> and for Phosphate <191>
Ph in a solution (1 in 20):

8.5 ~ 9.6
Loss on drying at 105°C:

< 1.0%

Insoluble Substances:

< 0.2%

Cabonate:

To pass test
Chloride:

< 0.03%

Sulfate:

< 0.1%

Arsenic:

< 3 ppm

Iron:

< 0.003%

Sodium:

To pass test
Heavy Metals:

< 0.001%

Limit of fluoride:

< 0.001%

Limit of monobasic or tribasic salt:

To pass test
Assay (K2HPO1) on the dried basis):

98.0 ~ 100.5%

Potassium Sorbate Granular FCC4

CAS:

590-00-1
Molecular Formula:

C6H7KO2

Molecular Weight:

150.22
Appearance:

White
Content:

98.5~101.0%
Heavy Metals (as Pb):

≤10 ππµ
Loss on Drying:

≤1%
Alkalinity (As K2 CO2):

≤1%
Arsenic (as As):

≤3ππµ
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