1 | Appearance/Description | White crystals. | White crystals or white powder. |
2 | Solubility | Complies | Freely soluble in water. |
3 | Identification A (By IR) | Complies | IR spectra of the sample should be concomitant with the IR spectra of the respective standard. |
4 | Identification B (By Chromatographic identity) | Complies | The retention time of the major peak of the sample solution corresponds to that of the standard solution. |
5 | Identification C (for Sodium) | Complies | Dense white precipitate should form. |
6 | Assay (By HPLC, on dried basis) | 99.8% | 98.0% - 102.0% |
7 | Limit of Sodium Acetate | Not detected | NMT 0.2% |
8 | Limit of Sodium Maleate | 0.001% | NMT 0.1% |
9 | Limit of Sodium Fumarate | 0.001% | NMT 0.1% |
10 | Acidity & alkalinity /pH | 8.64 | 7.5 - 9.0 |
11 | Loss on drying,120°C | 40.6% | 37.0% to 41.0% |
12 | Chloride (Cl) | Less than 0.005% | NMT 0.005% |
13 | Sulphate (SO4) | Less than 0.01% | NMT 0.01% |
14 | Phosphate (PO4) | Less than 0.001% | NMT 0.001% |
15 | Nitrogen (N) | Less than 0.001% | NMT 0.001% |
16 | Arsenic (As) | Not detected | NMT 1.5ppm |
17 | Cadmium(Cd) | Not detected | NMT 0.2ppm |
18 | Lead (pb) | 0.27ppm | NMT 0.5ppm |
19 | Mercury(Hg) | Not detected | NMT 0.3ppm |
20 | Nickel (Ni) | Not detected | NMT 2ppm |
21 | Copper (Cu) | 0.0002% | NMT 0.0005% |
22 | Iron (Fe) | 0.0011% | NMT 0.002% |
23 | Potassium (K) | 0.0046% | NMT 0.05% |
24 | Calcium (Ca) | 0.0029% | NMT 0.005% |
25 | UV absorbance profile (10mm cell)@260nm | 0.044 | NMT 0.08 |
26 | UV absorbance profile (10mm cell)@280nm | 0.025 | NMT 0.045 |
27 | Total aerobic microbial count (Bioburden) | Less than 100 CFU/gm | NMT 100 CFU/gm |
28 | Total combined yeasts and molds count (Bioburden) | Less than 50 CFU/gm | NMT 50 CFU/gm |
29 | E.coli | Absent/gm | should be absent /gm |
30 | Salmonella | Absent/10 gm | should be absent /10 gm |
31 | Pseud. aeruginosa | Absent/gm | should be absent /gm |
32 | Staphylococcus aureus | Absent/gm | should be absent /gm |
33 | Bile-tolerant gram negative bacteria | Absent/gm | should be absent /gm |
34 | Bacterial endotoxins | Less than 6 EU/gm | NMT 6 EU/gm |