Agar Agar Powder Type II (PTC Grade) – HX-Media – Hexa Biotech
Storage and Shelf Life:- Hygroscopic; keep container tightly closed. Agar Agar powder (PTC Grade) store at temperatures below 30⁰C and dry place. Expected performance when stored at optimum conditions and within expiry date.
Disposal:- To avoid the contamination or propagation of any hazardous microbes used, unusable or modified preparation of this product must be disposed after autoclaving or incineration after completion of task.
| Quality Control | |
| Appearance | Cream colored homogeneous free flowing powder |
| Solubility | Soluble above 80-85 ℃, insoluble in cold water |
| Clarity | Clear to slight opalescent gel above 1.2 % concentration |
| Dye diffusion | 18- 20 mm (at 1.5 %) |
| Reaction of 2% | 6.5 – 7.5 at 27 ℃ |
| Identification test | Reddish to black colored when treated with iodine solution |
| Gelling Temperature | 38-42 ℃ |
| Melting range (2%) | 85 ℃ |
| Water | ≤ 15% |
| Calcium | ≤ 0.1 % |
| Arsenic | ≤0.0003% |
| Lead | ≤0.0001 % |
| Total ash | ≤ 6.5% |
| Test for Water absorption | ≤ 30 ml of water is absorbed by 2 g of agar |
| Test for Starch | No Formation of blue color on addition of iodine |
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