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250 GRS. NITRATO DE AMONIO CRISTALES A.C.S. ROJO DE METILO SOLUCION ALCOHOLICA 0.02 % (EN METANOL) la reacción entre el cobre 18 LT. VASELINA LIQUIDA TEC. (ACEITE MINERAL AMARILLO) la reacción entre el cobre y el reactivo provoca un tinte púrpura en la muestra Los HI93721 01 son reactivos de alta calidad que están premedidos NITRATO DE AMONIO CRISTALES A
Keep the product and order references easy to identify. Use any available documented self-service option when appropriate to the issue.
Describe what changed after the seller addressed the issue. Distinguish the original problem from the eventual resolution.
Consider whether a price change alters the product's value for your needs. Do not add unnecessary products solely to recover a promotional amount.
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