manufacturer Tilapia fish feed making machine kolkata
Chapter 26. Quality Control in Fish Feed Manufacturing
After boiling for exactly 30 min, filter through porous crucible and wash with boiling water, 1% hydrochloric acid and then again with boiling water. Wash twice with alcohol, dry overnight at 100°C, cool, and weigh. Ash at 500°C for 3 h, cool, and weigh. Calculate the weight of
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