Precio FOB
Obtener el precio más reciente|
25 Bag Minimum Order
País:
China
N º de Modelo:
-
Precio FOB:
Lugar de origen:
-
Precio de pedido mínimo:
-
Cantidad de pedido mínimo:
25 Bag
Detalle de embalaje:
-
El tiempo de entrega:
2 weeks after receving prepayment
Capacidad de suministro:
-
Tipo de pago:
-
Grupo de productos :
-
China
Persona de contacto allen
Changzhou, Jiangsu
ã€Product
performance】:
Vitamin b1 is also called thiamine or
fight neuritis vitamins or resistance beriberi, white crystal, the
presence of oxidants easily by oxidative dehydrogenation thiamine,
which appear blue fluorescence under uv irradiation. By the
pyrimidine ring and based on the combination of the methyl thiazole
ring a B vitamin.
White crystalls or crystal powder; Have a
faint, smelly, bitter taste, have led to wet, dew in the air, easy
to absorb moisture. Easy to decompose metamorphism in alkaline
solution.PH 3.5 to **0 ℃ high
temperature resistant, acid and alkali easy failure is greater than
5.Light and heat titer decreased. Reason should be placed in the
window, cool, preservation, storage should not be long. In acidic
solution is stable, in the alkaline solution is not stable,
susceptible to oxidation and heat damage. Reducing substances
sulfite, such as sulfur dioxide can make vitamin B1
inactivation.
ã€Analysis of
certificate】:
Testing Item | Standard | Result |
Appearance | White or almost white, crystalline powder or small, colourless granule | conforms |
Assay (on dry basis) | *8.5%~**1.0% | **0.0% |
Identification |
A: IR absorption; C: Reaction of nitrates |
conforms |
Appearance of solution | Clear, not more intense than Y7 | conforms |
PH | 6.8 ~ 7.5 | 7.2 |
Loss on drying | ≤0.5% | 0.*8% |
Chloride | ≤0.*6% | *0 mg/kg |
País: | China |
N º de Modelo: | - |
Precio FOB: | Obtener el precio más reciente |
Lugar de origen: | - |
Precio de pedido mínimo: | - |
Cantidad de pedido mínimo: | 25 Bag |
Detalle de embalaje: | - |
El tiempo de entrega: | 2 weeks after receving prepayment |
Capacidad de suministro: | - |
Tipo de pago: | - |
Grupo de productos : | - |