Chu Stock Solution Recipe

Directions

For 1 L Total

  1. Add each of the components in the order specified while stirring continuously.
  2. Bring total volume to 1 L with dH2O.
  3. Dispense into 10 mL volumes and autoclave.
  4. Store at refrigerator temperature
# Component Amount Stock Solution Concentration Final Concentration
1 CaCl22H2O
(Sigma C-3881)
10 mL 3.67 g/100 mL dH20 2.5 mM
2 MgSO47H2O
(Sigma 230391)
10 mL 3.69 g/100 mL dH20 1.5 mM
3 K2HPO4
(Sigma P 3786)
10 mL 0.87 g/100 mL dH20 0.5 mM
4 NaNO3
(Fisher BP360-500)
10 mL 8.5 g/100 mL dH20 10 mM
5 Na2SiO39H2O
(Sigma 307815)
10 mL 2.84 g/100 mL dH20 1 mM
6 Ferric Citrate Stock Solution for Chu 10 mL/100 mL
7 Chu Micronutrient Solution 10 mL/100 mL

Note: Final concentration listed is for the stock solution.