September
14
Lab Day 5: Soil Enrichment, Metadata, pH
Rationale:
- Make enriched lysate of soil B, find pH of soil and start soil metadata to find future calculations of sand, silt, and clay.
Detailed Procedure: Enriched Lysate
- Took vial from Lab day 4 and added LB Broth up to 12 mL mark
- Shook vial for 10 mins
- Weigh vial= 19.04 g
- Centrifuge for 5 mins
- Syringe filter 7.5 mL of supernatant (did not have enough for direct)
- Add 0.5 mL Arthro to vial
Detailed Procedure: Metadata
- Add ~10 m of soil in a 50 mL vial.
- Add water up to 30 mL mark
- Shook vial for 30 secs
- Add soil disperse solution to it and mix for a bit
- Let sit for 48 hours
- Took some soil and weigh it with petri dish
- Let sit for 48 hours to dry
Detailed Procedure: pH
- Took pinch of soil in a small pH vial and filled the rest with water
- Shook for a bit and rip off 1 inch of pH paper
- Dip paper for 45 secs and compare color
- Recorded ph was green= 7.0
Observation/Results
- petri dish weight= 2.35 g
- petri dish weight + soil= 6.26 g
- after this, I ran out of all of my soil, so I have no more left to test if needed in the future.
Next steps