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Contact Supplier| Tests | Standard | Limit |
|---|---|---|
| Description | IP/HIS | Light amber or fainty yellow, translucent flakes, sheets, shreds, powder or granules |
| Solubility | IP | Should comply with test |
| Identification CuSO4 Test Gelling Property | IP/USP | A violet color is produced Invert the test tube ; the content do not immediately flow out |
| PH (6.67% solution) | IP/USP | 5.4 TO 6.0 |
| Color and Clarity of solution [ A 1% Solution w/v ] | IP | Not more opalescent than OS4[std] Not more intensely colored than YS4 [Reference] |
| Arsenic | IP/USP | NMT 0.8 PPM |
| Heavy Metals | I.H.S | NMT 10 PPM |
| Sulphur dioxide | I.H.S | NMT 40 PPM |
| Ash | I.H.S | NMT 1.0% |
| Loss on drying | IP | NMT 12.0% |
| Bloom (6.67% at 10oC for 17 ± 1 hr) | IP | NLT 250 g (High Bloom), 200-225g (Low Bloom) |
| Viscosity (6.67% at 60oC) | I.H.S | 47 ± 2 mps |
| Viscosity drop (6.67% at 60oC for 18 hrs) | I.H.S | NMT 18% |
| Transmittance @ 510 nm | I.H.S | NLT 90% |
| Color by absorption {OD at 420 nm - (OD at 570 nm X 1.5) | I.H.S | NMT 0.06% |
| Foreign Matter (including insoluble and charred gelatin) | I.H.S | Should be Absent |
| Objectionable smell (in 30-35% sol.) | I.H.S | Free from objectionable smell |
| Particle Size (BSS - 4 + 20 mesh size) | I.H.S | NLT 98% passes through 4 mesh sieve NMT 2% passes through 20 mesh sieve |
| Fines (-60 BSS) | I.H.S | NMT 0.05% passes through 60 mesh sieve |
| Setting time | I.H.S | 60 ± 2 seconds |
| Hydrogen peroxide | I.H.S | Should be Absent |
| Calcium | I.H.S | NMT 200 PPM |
| Fat Content | I.H.S | NMT 0.2% |
| Total Microbial count | IP/USP | NMT 50cfu/gm |
| Staphylococcus | IP/USP | Absent / 10gm |
| Pseudomonas | IP/USP | Absent / 10gm |
| Salmonella | IP/USP | Absent / 10gm |
| E.Coli | IP/USP | Absent / 10gm |
| Thermophilic spore | IP/USP | Absent/gm |
| Clostridium | IP/USP | Absent/gm |
| Yeast & Moulds | IP/USP | NMT 10cfu/gm |
| Keeping quality (72 hrs at 37oC) Any degree of liquification Any degree of turbidiyt Any objectionalble odor | I.H.S | No liquification No turbidity No objectionable odor |
| Taste | I.H.S | No foul smell & No salty taste |
| Shelf Life | I.H.S | Five yeas from date of mfg. |