soilwater_gr_nh4_medium

CultureMech:000228 algae COMPLEX LIQUID
Original name: Soilwater: GR-/NH4 Medium

Overview

External ontology
UTEX:soilwater-gr-minus-nh4-medium (source link unavailable) — Soilwater: GR-/NH4 Medium
Applications
  • Algae cultivation
  • Phytoplankton culture
  • Microalgae research
pH
7.3
Notes
UTEX prepares this ammonium magnesium phosphate variant by adding 1 mg NH4MgPO4 to 200 mL prepared Soilwater: GR- Medium after pasteurizing.

Composition

flowchart LR
    CultureMech_000228["soilwater_gr_nh4_medium"]
    ing0_NH4MgPO4["NH4MgPO4"]
    CultureMech_000228 --> ing0_NH4MgPO4
    CHEBI_149425["CHEBI:149425"]
    ing0_NH4MgPO4 -.-> CHEBI_149425

Ingredients (1)

# Ingredient Concentration Ontology Notes
1 NH4MgPO4
H4N.Mg.O4P 137.314 g/mol
Sigma 529354
0.04 MILLIMOLAR CHEBI:149425
ammonium magnesium phosphate
UTEX lists 1 mg NH4MgPO4 per 200 mL final medium; final 0.04 mM.

Preparation

  1. Prepare Soilwater: GR- Medium.
  2. Add a pinch of NH4MgPO4 after pasteurizing.

Solutions

Soilwater: GR- Medium

Dose: 1000 ML_PER_L

CultureMech:000227

UTEX lists 200 mL prepared Soilwater: GR- Medium per 200 mL recipe.

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-28T00:00:00+00:00 utex-import Imported from UTEX Culture Collection Source ID: soilwater-gr-minus-nh4-medium, URL: https://utex.org/products/soilwater-gr-minus-nh4-medium
2026-03-13T06:18:53.633957Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:000228
2026-03-17T19:45:04.548134+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Soilwater: GR-/NH4 Medium" to "soilwater_gr_nh4_medium" for consistent matching
2026-05-16T09:02:56.124839+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=1; references.reference_id->reference=2; category->lowercase=1
2026-05-16T09:11:01.338686+00:00 migrate_preparation_steps.py MIGRATED_PREPARATION_STEPS instruction->action+description for 9 step(s)
2026-08-30T00:58:30.988263+00:00 repair_utex_ingredients.py REPAIRED_UTEX_COMPOSITION Restored 2 ingredient name(s) and amount(s) from a re-fetched UTEX capture. The original fetcher read fixed column positions, so the row ordinal was stored as the ingredient name, the component name as the amount, and the Amount column was never read; concentration was then filled in as G_PER_L regardless. Source: https://utex.org/pages/algal-culture-media, captured 2026-08-29T17:46:40.207779.
2026-09-06T00:00:00-07:00 repair_utex_remaining_score50.py RESOLVED_UTEX_SCORE50_ALGAE_GRAPH UTEX prepares this ammonium magnesium phosphate variant by adding 1 mg NH4MgPO4 to 200 mL prepared Soilwater: GR- Medium after pasteurizing.