PABA, Pure - (4-Aminobenzoic acid) - (see: p-Aaminobenzoic acid, Pure) - Store at 2-8ºC

PAN indicator, A.R. - [see: 1-(2-Pyridylazo)-2-naphthol, A.R.]

PAR indicator, A.R. - [see: 4-(2-Pyridylazo)resorcinol, sodium salt, A.R.)

PBBO for scintilltion - [see: 2-(4-Biphenylyl)-6-phenylbenzoxazole] - Store at 2-8ºC

PIPES buffer - (see: Piperazine-N,N'-bis[2-ethane sulphonic acid]

PIPES - for Molecular Biology - (see: Piperazine-N,N'-bis[2-ethane sulphonic acid])

100gm

POPOP, Scintillation grade - 1,4-nos[5-phenyl-2-oxazolyl]benzene

PPO, sscintillation, Spectrometry grade - (seeL 2,5-Diphenyloxazole)

Palladium (II) acetate - (Palladium diacetate) - [see: Acetic acid palladium (II) salt]

Palladium hydroxide on carbon - (app. 20% Palladium on dry wt. basis)

Oxytetracycline - Store at 2-8ºC

Palmitoyl-L-ascorbic acid - (see: Ascorbyl palmitate)

Palmitic acid ethyl ester - (see: Ethyl palmitate; Ethyl hexadecanoate)

Pancreatin 4NF - Store at 0-4ºC

D-Pantothenic acid, calcium salt - Store at 2-8ºC -(see: Calcium pantothenate)

Papain, Purified from Papaya latex - Store at 0-4ºC

Paraffin liquid, for IR Spectroscopy - (see: Petrolatum oil)

Paraffin liquid light - (see: Petrolatum liquid)

Paaraffin wax (noncaking) - (In small irregular pieces) -Congealing point: 60 to 62ºC