Serum immunoglobulin tests may be used in the assessment of conditions associated with chronic inflammation (eg. rheumatoid arthritis, systemic lupus erythematosus, autoimmune liver disease) or chronic infections (eg.hepatitis C, HIV).erum immunoglobulin tests may be used in the assessment of conditions associated with chronic inflammation (eg. rheumatoid arthritis, systemic lupus erythematosus, autoimmune liver disease) or chronic infections (eg. hepatitis C, HIV).
Nitrogen is classified as an element in the 'Non-Metals' section which can be located in groups 14,15 and 16 of the Periodic Table. Non-metallic elements exist, at room temperature, in two of the three states of matter: gases (Oxygen, Hydrogen & Nitrogen) and solids (Carbon, Phosphorus, Sulfur and Selenium).
Appearance. The appearances of the members of the nitrogen group are not similar. Nitrogen being a gas, is colorless and odorless. Phosphorus is found in natural form in white, red and black solid structure.Arsenic exists as a solid with yellow and gray color.ppearance. The appearances of the members of the nitrogen group are not similar. Nitrogen being a gas, is colorless and odorless. Phosphorus is found in natural form in white, red and black solid structure.