Words for Negotiating Salary

You have the most power to negotiate a salary after you've impressed your future employer in interviews, but before you sign an official job offer. Most employers will informally offer you the job before they give you anything to sign, and this is a good time to talk about what you want.
Your new employer wants to hire you, has received buy-in from other team members and has no desire to keep interviewing. More than anything, she is anxious for you to start work. This is the time to ask for more money.

For the language to use see the complete article here