| Items | Requirements |
|---|---|
| Morphology | Paste, no caking |
| Color | Dark brown |
| Odor | Endemic taste and odor of product, no other peculiar smell |
| Impurity | No normal visible extraneous impurity |
| Items | Industrial grade | Biochemical grade | Reagent grade |
|---|---|---|---|
| Total nitrogen (on DM)% | ≥6.5% | ≥6.5% | ≥6.5% |
| Amino nitrogen | ≥2.0% | ≥2.0% | ≥2.0% |
| Solid content % | ≥70.0% | ≥70.0% | ≥70.0% |
| Solubility (2% solution) | Turbid | Slight hazy | Clear |
| pH value | 4.5-7.0 | ||
It is widely used in the fermentation industry such as:
Fully dissolved and sterilized before use.
Compound Paper Bag with 25kg/bag or Cardboard Bucket. Reagent-grade products are packaged with 250g plastic bottle (or be packed according to the measurement requirements of customer and OEM Package as well).