UPC in Persian

9/8/2010

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Melamine Crystal Specification

NO

Property

Unit

Value

1

Purity

Wt %

99 min

2

Moisture ( H2O)

Wt %

0.1 max

3

PH

-

7..5 -9.5

4

Dissolubility (HCHO)

Minute

10 max

5

Color

(Pt-Co)

20 max

6

Turbidity

(Kaolin )

20 max

7

Size (Below 80 Mesh )

Wt %

80 min

8

H2O Solubility @20ْ C

-

Clear

9

Ash Content

Wt %

0.03 max.

10

Hydrophobia test

Minute

40 min

 

Ammonium sulfate Specification

No

Property

Unit

Value

1

N Content (on dry basis )

Wt %

20.8 min

2

Moisture ( H2O)

Wt %

1.0 max

3

Free acid content (H2SO4)

Wt %

0.2 max

 
Ammonium  carbonate solution 65%

No

Property

Unit

Value

1

CO2

Wt %

29.8

2

NH3

Wt %

23.1

 
 

 

 

 
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Question: Test
Yes
NO


Result :
70 %70 %70 % 24% Yes
70 %70 %70 % 76% NO

Total :241


 

 

 
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