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glutathione information Glutathione! Vitamin Injections (B12, C, Research Chemical Size:0.90 fl oz (26.5 ml) (90 Servings)
Vitamin Injections (B12, C, D)
↑ "Tramadol Abuse & Addiction Causes"
Research Chemical
Size:0.90 fl oz (26.5 ml) (90 Servings)
the freeze-drying process comprises the following steps, preparing a liquid and filling at the temperature of 20-30 ℃, putting a sample into a freeze dryer, quickly reducing the temperature of a plate layer to-40 ℃, preserving heat for 1h, when the temperature of a partition plate is-10 +/-2 ℃, preserving heat for 1h, quickly reducing the temperature of the plate layer to-40 ℃ within 1h, preserving heat for 2-4 h, transferring to a cold trap at-50 ℃, vacuumizing to below 10Pa, firstly preserving the temperature of the plate layer at-5 ℃ for 2-4 h, then heating the plate layer to 10 ℃ within 3h, when a product is heated to 0 ℃, starting to increase the temperature of the plate layer to 40 ℃, and preserving heat for 4-6 h after the product is heated to 30 ℃
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