Erbium is a chemical element in the lanthanide series, with symbol Er and atomic number 68.A silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements on Earth.rbium is a chemical element in the lanthanide series, with symbol Er and atomic number 68.
Many factors may result in elevated creatinine and BUN numbers, but we will only talk about those numbers caused by kidney damage here. So you should make sure you have already been diagnosed with kidney diseases. The normal range of creatinine level for men is 0.6-1.2mg/dl; for women is 0.5-1.1mg/dl. The normal range of BUN numbers for adults is 9-20mg/dl.
A creatinine blood test measures the level of creatinine in the blood. Creatinine is a waste product that forms when creatine breaks down.Creatine is a substance found in muscle.Creatinine levels help determine how well your kidneys function. Your kidneys are responsible for eliminating creatinine from the body when you urinate. When creatinine levels increase, your kidney function may be impaired.nderstanding Your Results: Normal Creatinine Levels. Creatinine is measured in milligrams per deciliter of blood (mg/dL). People who are more muscular tend to have higher creatinine levels. Normal creatinine levels range from 0.7 to 1.3 mg/dL in men and 0.6 to 1.1 mg/dL in women.