caldo WL, 1 kg
REF 1T94.2
€ 212,83
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caldo WL, 1 kg
Información del producto
P-frases: P261 P280 P302+P352 P305+P351+P338 P332+P313 P337+P313
H-frases: H272-H302-H315-H317-H319-H334-H335
Número CAS: 7727-54-0
fórmulas químicas: (NH4)2S2O8
Nivel de riesgo: 5.1 III
Código hs: 38210000
Marca: Carl Roth
WL broth, for microbiology, Storage temp. +15 to +25 °C
WL broth for microbiology
WL Broth, based on the Green and Grey formulation, is recommended for the control of industrial fermentations, particularly the manufacturing of beer. With a pH of 5,5 true counts of beer yeasts can be made. With a pH of 6,5 the medium is ideal for bakery and distilled spirit yeasts.
| Bromcresol green | 0,022 g/l |
| Calcium chloride | 0,125 g/l |
| Dextrose | 50 g/l |
| Iron chloride | 0,0025 g/l |
| Yeast extract | 4 g/l |
| Potassium chloride (KCl) | 0,425 g/l |
| Potassium dihydrogen phosphate | 0,55 g/l |
| Manganese sulphate | 0,0025 g/l |
| MgSO4 | 0,125 g/l |
| pH value (25 °C) | 5.3-5.7 |
| Tryptone | 5 g/l |
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