VA n VB Flashcards
- Replace air in container for parenteral solution
- triple bond-responsible for inertness
NITROGEN GAS
Refrigerant, cryogenic
LIQUID NITROGEN
Nitrogen oxide is stored in what color of cylinder
BLUE CYLINDER
Gas (brown color or pale blue liquid)
N2O3 (NITROGEN TRIOXIDE)
Brown gas
NO2 (NITROGEN DIOXIDE)
- “St. elmo’s fire”
- light carrier (match)
- apatite
PHOSPHORUS
Is normally a white waxy solid, which is colorless and translucent. Stored under water
PHOSPHORUS
Varieties of phosphorus
- WHITE PHOSPHORUS
- RED PHOSPHORUS
Poisonous variety of phosphorus
WHITE PHOSPHORUS
Group VA’s compounds are ____
COVALENT
- Laughing gas
- general anesthetic (inhalational)
- not use alone (causes diffusion -> HYPOXIA)
N2O (NITROGEN OXIDE)
Made by heating P with small quantity of Na at 200 °C
VIOLET PHOSPHORUS
This P4 tetrahedron is also present in liquid and gaseous phosphorus up to the temperature of 800 °C when it starts decomposing to P2 molecules
WHITE PHOSPHORUS
Made by heating P with Pb at 530 °C
METALLIC OR BLACK PHOSPHORUS
Made by heating PBr3 (phosphorus tribromide) with Hg at 240 °C
SCARLET PHOSPHORUS
Component of physiologic buffer
- HCO3, H2CO3
- HPO4 -2, H3PO4
- Hgb and CHON
Physiologic buffer for RBC and is the most effective single system for buffering H2CO3 during metabolic process
Hgb and CHON
Physiologic buffer for plasma and kidneys
HCO3, H2CO3
Physiologic buffer for cells and kidneys
HPO4 -2, H3PO4
Buffer systems
- PHOSPHATE BUFFER
- BORATE BUFFER
Examples of borate buffer
- FELDMAN’S BUFFER SYSTEM
- ATKINS & PANTIN BUFFER SYSTEM
- GIFFORD BUFFER SYSTEM
Characteristics of Gifford buffer system
- pH 6-7.8
- BORIC ACID, KCL, SODIUM BORATE