Cool 5 -10 mL of distilled water in a test tube using this ice water bath. Synthesis of Luminol 4) Put 0.5 g of 3-nitrophthalic acid in a large test tube, then add 2.0 mL of propylene glycol and then add 0.5 mL of 20% aqueous hydrazine solution.
1 Use the SIM card from your old phone in your new phone so as to save your information. 2  This will is only an option if you have not changed carriers. 3  Switch carriers and keep your phone (or avoid having to buy a new one).. To make the switch, open your phone and either insert the new SIM card in place of the old one or remove your current SIM card and place it in your new device. There is a wikiHow article referenced below that speaks further to how this can be done. Ad.
A phone will store this number on its SIM card so it knows what location itâs in and to be able to receive service. If a phone were to change to a new Location Area, it stores the new LAI in the SIM card, adding to a list of all the previous LAIs it has been in.