SAPONINE                                                                                      

REF.NO:

A

 

F. Wt : 2590

B

                                            SPECIFICATIONS

1

Appearance

Fine cream to tan powder

2

IR spectrum

To match the control curve

3

UV- Vis absorbance of 1% aqueous solution

To match the control curve

4

Reducing substances to ferric chloride

Max : 30 ml

5

Moisture

Max : 3%

6

Total ash

Max : 15%

7

Colour of the solution

0.60 absorbance at 525 nm

8

pH of 1% aqueous solution

5.0- 6.5

9

Formaldehyde

0.7 to 1.3%

10

Tanin

Not more than 0.15 greater than colour of the solution at 525nm

11

 Clarity of 1% aqueous solution

Clear solution

12

Clarity of 4% solution in 50% alcohol

Clear or slight sediments – OK

13

Volatile substances

Max : 12%

14

Ammonium salts

Absent to test

15

Emulsifying power

Min : 0.3g

16

Surface tension (0.20 wt% solution)

35 -45 dynes/cm2 at 40oC

17

Gelatine test with alcohol

Absorbance of 0.75 max. at 40 nm

18

Practical test

Passes the test

C

Quantity of sample required for test

200gms

D

Mode of packing

To be packed in double layered PE bags and heat –sealed.