1 | Appearance/Description | White crystalline powder. Has a saline taste. | Colorless, cubic crystals or white crystals or crystalline powder. Has a saline taste or almost white pearls. |
2 | Solubility | Complies | Freely soluble in water; and slightly more soluble in boiling water; soluble in glycerin; slightly soluble in alcohol. Practically insoluble in anhydrous ethanol |
3 | Identification(Sodium) | Complies | Dense white precipitate should form. |
4 | Identification (Chloride) | Complies | The precipitate dissolves easily with the possible exception of a few large particles, which dissolve more slowly |
5 | Appearance of Solution | Complies | Clear and colorless solution |
6 | Assay (Dried basis) | 99.9% | 99.0% -100.5% of NaCl |
7 | Arsenic (As) | Less than 1 ppm | NMT 1 ppm |
8 | Barium(Ba) | Complies | Any opalescence in the test solution should not more intense than that in the reference solution |
9 | Ferrocyanide[Fe(CN6)] | Complies | No blue color should develop in 10 min. |
10 | Iodide(I) | Complies | No blue color should observe in the mixture |
11 | Iron (Fe) | Less than 2ppm | NMT 2ppm |
12 | Bromide (Br) | Less than 100ppm | NMT 100 ppm |
13 | Phosphate (PO4) | Less than 25ppm | NMT 25ppm |
14 | Magnesium and alkaline earth metals | Less than 100 ppm | NMT 100 ppm, calculated as Ca |
15 | Nitrites | Complies | Absorbance should not be more than 0.01 at 354 nm |
16 | Sulphate (SO4) | Less than 200ppm | NMT 200ppm |
17 | Acidity & alkalinity | Complies | NMT 0.5ml of 0.01N hydrochloric acid or 0.01N sodium hydroxide should require to change the color of this solution. |
18 | Loss on drying,105°C | 0.4% | NMT 0.5% |
19 | Limit of potassium | Less than 500 ppm | NMT 500 ppm |
20 | Total aerobic microbial count | Less than 100 CFU/gm | NMT 100 CFU/gm |
21 | Total Yeast and mold count | Less than 10 CFU/gm | NMT 10 CFU/gm |
22 | Escherichia coli | Absent/gm | Should be Absent/gm |
23 | Pseud. aeruginosa | Absent/gm | Should be Absent/gm |
24 | Staphylococcus aureus | Absent/gm | Should be Absent/gm |
25 | Bile-tolerant gram negative bacteria | Absent/gm | Should be Absent/gm |
26 | Salmonella | Absent/10gm | Should be Absent/10gm |
27 | Bacterial endotoxin test | Less than 5.0 IU/gm | NMT 5.0 IU/gm |