Overview
- Notes
- MediaDive solution 3964 is the Nitsch's trace-elements stock used by Castenholz basal salt solution at 10.0 ml/L.
Stock composition (8)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
1000.0 ML_PER_L |
CHEBI:15377
water
|
MediaDive solution 3964 / JCM Medium 273 lists 1000.0 ml/L Distilled water. |
| 2 |
Na2MoO4 x 2 H2O
2H2O.MoO4.2Na 241.946 g/mol
|
0.025 G_PER_L |
CHEBI:75213
sodium molybdate dihydrate
|
MediaDive solution 3964 / JCM Medium 273 lists 0.025 g/L Na2MoO4 x 2 H2O. |
| 3 |
H3BO3
H3BO3 61.833 g/mol
|
0.5 G_PER_L |
CHEBI:33118
boric acid
|
MediaDive solution 3964 / JCM Medium 273 lists 0.5 g/L H3BO3. |
| 4 |
CoCl2 x 6 H2O
2Cl.Co.6H2O 237.929 g/mol
|
0.046 G_PER_L |
CHEBI:53503
cobalt chloride hexahydrate
|
MediaDive solution 3964 / JCM Medium 273 lists 0.046 g/L CoCl2 x 6 H2O. |
| 5 |
ZnSO4 x 7 H2O
7H2O.O4S.Zn 287.558 g/mol
|
0.5 G_PER_L |
CHEBI:32312
zinc sulfate heptahydrate
|
MediaDive solution 3964 / JCM Medium 273 lists 0.5 g/L ZnSO4 x 7 H2O. |
| 6 |
CuSO4 x 5 H2O
Cu.5H2O.O4S 249.684 g/mol
|
0.016 G_PER_L |
CHEBI:31440
copper(II) sulfate pentahydrate
|
MediaDive solution 3964 / JCM Medium 273 lists 0.016 g/L CuSO4 x 5 H2O. |
| 7 |
MnSO4 x n H2O
Mn.O4S 151.001 g/mol
|
2.2 G_PER_L |
CHEBI:86360
manganese(II) sulfate
|
MediaDive solution 3964 / JCM Medium 273 lists 2.2 g/L MnSO4 x n H2O. |
| 8 |
H2SO4
H2O4S 98.079 g/mol
|
0.5 ML_PER_L |
CHEBI:26836
sulfuric acid
|
MediaDive solution 3964 / JCM Medium 273 lists 0.5 ml/L H2SO4. |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-03-13T06:20:28.955511Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:013023 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added placeholder ingredients for missing composition |
| 2026-03-14T21:09:33.550418 | quality-tagger-v1.0 | Added data quality flag | Marked as incomplete_composition due to placeholder ingredients |
| 2026-04-04T17:49:56.316722 | categorize_unknown_media | CATEGORIZED | Automated categorization (confidence: 0.30). No clear match, defaulting to bacterial |
| 2026-05-16T09:03:56.496181+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-06-10T06:38:29.612558+00:00 | kg-fallback-consensus-v1.0 | Replaced low-confidence kg_fallback chebi_term with corpus consensus | Re-grounded 5 chebi_term(s) to the unanimous reliable CHEBI for the ingredient label seen elsewhere in the corpus (G25 Phase 1, zero external lookups). |
| 2026-06-10T06:48:14.320975+00:00 | kg-fallback-oak-ols-v1.0 | Resolved/de-grounded low-confidence chebi_term via OAK+OLS (G25 Phase 2) | 1 chebi_term(s): OAK sqlite:obo:chebi + OLS4 exact agreement, corpus-majority disambiguation, or mixture de-ground. |
| 2026-09-11T00:00:00-07:00 | repair_togo_m935_microaerophilic_thermus_score15.py | RESOLVED_MEDIADIVE_3964_NITSCH_TRACE_ELEMENTS | Corrected the Nitsch stock water and H2SO4 rows from false percent-volume units to the source 1000.0 ml/L and 0.5 ml/L amounts, replaced upstream mediadive.compound groundings with direct ontology mappings, and removed the placeholder top-level ingredient. |