Which of the followings is correct (the only difference is the usage of a hyphen)? Thanks in advance.

1. The quantification was done by the peak-height method.
2. The quantification was done by the peak height method.

Question

Which of the followings is correct (the only difference is the usage of a hyphen)?  Thanks in advance.

1. The quantification was done by the peak-height method. 
2. The quantification was done by the peak height method.

anonymous · Answer

2

anonymous · Answer

No sure....as it's the "peak height" as a whole modifying the "method."

anonymous · Answer

ok fine then don't believe me

anonymous · Answer

I'm inclined to think number 1, @jlei. You are correct in saying that it is the two words "peak height" together that act as one adjective (describing the method)...just my two cents! :)