Description of goods: Sodium tripolyphosphate

( STPP)

Grade: Food Grade

Batch NO:BSC2005STPPFG1022

MFG Date:

Oct.22,2005

Expire date:

Oct.22.2007

Quantity/Weight:22MT

Standard:GB9983-88

Packing: Packed 25kg bag

NO.

Specifications

Standard value

Test result

1

Main contents    %

95.0

95.10

2

 P2O5   %

57.0

57.05

3

Iron, as Fe   %

0.01

0.009

5

Whiteness

90

91

6

Water insoluble  %

0.05

0.04

7

CL   %

0.025

0.022

8

PH Value(1%solution)

9.5-10.0

9.6

9

As

3ppm

2.89ppm

6

F

30ppm

29.6ppm

7

Pb

10ppm

9.3ppm