GELATINE – EMULSION                                     

REF.NO: 60-10-036-00

A

                                        SPECIFICATIONS

1

Appearance

Shall be in the form of brown or light yellowish crystals, free from dirt and other foreign particles

2

pH of 1% solution at 20oC

5.8-6.3

3

Dissolution

10% solution should be clear without any suspended white or black particles

4

Clarity of  10 % aqueous solution in cms

Min : 50

5

Setting point in degree C

Min : 27

6

 Melting point in degree C

Min : 29

7

Viscosity of 6.67% aqueous solution at 60oC

45.0-55.0 mps

8

Gel strength in gms (bloom) corrected to 12% moisture

220 -300

9

Conductivity

Max : 250 micro mhos / cm

10

Moisture

 Max : 13.5 %

11

Ash

 Max : 1.5 %

12

 Chrome  alum index

 2 -3 ml

13

 Iron as Fe

 Max : 10 ppm

14

 Copper

 Max : 4 ppm

15

Reducing substances as SO2

  1. By iodimetry
  2. By distillation

 

Max : 25 ppm
Max : 100 ppm

16

Chlorides

Max : 1000 ppm

17

Labile sulphur

 Max : 4 ppm

18

Grease

 Max : 0.1 %

19

Dirt (including metallic particles)

To pass the test

20

Liquefying bacteria at 20oC after 7 days.

No liquification

21

Aldehydes - optical density
At 455 milli micron
At 535 milli micron         

 

Max : 0.155
Max :0.104

22

Swelling index percent
In 2 hours
In 6 hours

 

3 -5 %
6 -10 %

23

Phosphates

 Max : 0.1 %

24

Iso electric point

4.8- 5

25

Calcium

Max : 5gms  /kg

26

Gold number

Max : 40 ± 10 ml

27

Nitrites

Max :10 ppm

28

Practical test

Passes the test

B

Quantity of sample required for test

2 kg

C

For production trial

100 kg

D

Mode of packing

To be packed in double thick PE bags and heat sealed.