SODIUM BICARBONATE

REFERENCE No: 115 – 07 – 017 - 00.

A. FORMULA : NaHCO3                                                                       F.Wt. : 84                              

B. SPECIFICATIONS


1.

Appearance

White crystalline powder with no foreign matter.

2.

Assay              (Min)

99 %

3.

Carbonate as Na2CO3  (Max)

0.4 %

4.

Iron                (Max)

0.003 %

5.

Clarity of 4% solution

Clear and colourless free from any suspended matters.

6.

pH of 1% solution

8 – 8.5

7.

Transmittance of 4% solution between 400 – 465 millimicrons.   (Min)

97 %

C. QUANTITY OF SAMPLE REQUIRED FOR TEST : 500 gms

D. MODE OF PACKING

           Packed in double polythene bags each 200 gauge, heat sealed separately and kept in hassein bag which should be stitched on the top.  The final packing should withstand hazards in transit.