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.
Thankfully, discarding a phone safely can be done with a minimum of fuss. Here's what you need to do: Remove any memory cards. If your old phone has a removable memory card slot (typically holding either an SD or Micro SD card), remove the card and keep it.You don't need to include it in the sale of the old phone, and keeping it prevents you from having to securely wipe the data on it. Remove the SIM card.The SIM card -- which gives your phone its number and identity on the network -- can also store data like contacts and call logs.ou don't need to include it in the sale of the old phone, and keeping it prevents you from having to securely wipe the data on it. Remove the SIM card. The SIM card -- which gives your phone its number and identity on the network -- can also store data like contacts and call logs.