STPP Tunisia

PARAMETERS

UNITS

ANALYSIS

SP-0308-D REV 1

NORMS

Appearance

/

OK

Free flowing white powder Free

/

from visible contaminants

Odour

/

OK

The material should have no

/

noticeable malodour

P2O5 - Content as is

%

56.16

56.00 Mini

ISO-3357/NFT-20486

STPP- content as is

%

94.78

94.00 Mini

ISO-3000/NFT-20492

Other phosphates

%

3.0

6.0 Maxi

ISO-3358/NFT-20488

Temperature Rise Test (TRT)

oC

11.6

10.0-14.0

NFT 20496

Phase I content

%

22.4

16.0-32.0

NFG 20496

Volatile Matter (loss at 135 C - 4th)

%

0.54

0.50-1.00

ISO-2483/NFT-20401

Insoluble matter in water

%

0.036

0.100 Maxi

ISO-R850/NFT-20493

Sodium sulphate content

%

1.347

1.500 Maxi

Plasma Emission

Sodium chloride content

%

0.3800

0.5000 Maxi

NFT-20495

Fluoride content

%

0.003

0.300 Maxi

/

Colour Value

L

a

b

/

96.48

95.00 Mini

Hunter L.a.b.

/

-0.12

-2.50-2.50

Hunter L.a.b.

/

0.74

0.00-5.00

Hunter L.a.b.

Blck Density

g/l

700

700-1000

ISO-697/NFT-73405

R.O.H.

After 1 mn

After 5 mn

OC

82.7

81.0-88.0

OLTEN-TEST

OC

89.6

85.0-92.0

OLTEN-TEST

Particle size

> 1000 microns

> 500 Microns

> 150 microns

> 60 micron

%

0.00

0.20 Maxi

ISO 2996/NFT-20485

%

0.00

2.00 Maxi

ISO 2996/NFT-20485

%

1.46

15.00 Maxi

ISO 2996/NFT-20485

%

9.45

50.00 Maxi

ISO 2996/NFT-20485

> 6pH (1% solution)

/

9.59

9.40-10.20

ISO 2996/NFT-20494

Trace metals

Cr

Co

Ni

Cu

Fe

Ca + Mg

ppm

1.0

5.00 Maxi

Plasma Emission

ppm

<0.1

5.00 Maxi

Plasma Emission

ppm

0.8

5.00 Maxi

Plasma Emission

ppm

<0.2

5.00 Maxi

Plasma Emission

ppm

34

100 Maxi

Plasma Emission

ppm

138

150 Maxi

Plasma Emission

Packing Size : 50 KGS.