Высокое качество растворимые в воде олигосахарид хитозана
US $25.00-$40.00
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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-16-2025 | 0.31 $* | 0.22 $* |
Aug-16-2025 | 0.49 $* | 0.90 $* |
Jul-16-2025 | 0.98 $* | 0.83 $* |
Jun-16-2025 | 0.59 $* | 0.23 $* |
May-16-2025 | 0.46 $* | 0.93 $* |
Apr-16-2025 | 0.33 $* | 0.30 $* |
Mar-16-2025 | 0.64 $* | 0.79 $* |
Feb-16-2025 | 0.91 $* | 0.69 $* |
Jan-16-2025 | 0.55 $* | 0.44 $* |
Item | Standard |
Appearance | White or almost white, crystalline powder. |
Identification | Positive |
Appearance of solution | The Solution is clear and not more intensely colored than reference solution BY7 |
Assay | ≥99.5% |
Acidity or alkalinity | 6.0g sample 0.1M NaOH≤0.15ml |
Specific optical rotation | +52.5º to +53.3º |
Foreign sugars,soluble starch,dextrins | Qualified |
Sulphites | Maximum 15ppm SO2 |
Chlorides | Maximum 125ppm |
Sulphates | Maximum 200ppm |
Arsenic | Maximum 1ppm |
Barium | Any opalescence in the solution is not more intense than in the standard |
Calcium | Maximum 200ppm |
Lead | Maximum 0.5ppm |
Water | Maximum 1.0% |
Sulphated ash | Maximum 0.1% |
Endotoxin | <1.25Eu/g |
Bacilli | Maximum 1000cfu/g |
Mold | Maximum 100cfu/g |
E.coli | Not available |
Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com