NAME: Acid Yellow 34

SYNONYM(s): Benzenesulfonic acid, 4-Chloro-3-(4-5-dihydro-3-methyl-5-oxy-4- (phenylazo)-1H-pyrazol-1-yl)-, Sodium Salt; Wool Yellow 36L

IMIS: A177

CAS: 6359-90-6

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):

MEDIA: Glass Fiber Filter (37 mm)
ANL SOLVENT: Methanol and Water
MAX V: 100 Liters   MAX F: 1.0 L/min
ANL 1: High Performance Liquid Chromatography; HPLC/UV/VIS
REF: 2 (OSHA In-House File)
CLASS: Partially Validated

COND: Methanol/water extraction; Chromosil C18; 70% methanol 30% water with PIC A; UV 436, 280; Retention time, 5.2 min; DL 1.3 ng/inj; C/P DBA 10/84

WIPE: Yes, with Glass Fiber Filter.

BULK METHOD: For any dye analysis, a bulk sample of the dye must be sent to the SLCAL. Limit the amount of bulk submitted to one gram or approx. one mL.