Synonyms: Benzenesulfonic acid, 4-Chloro-3-(4-5-dihydro-3-methyl-5-oxy-4- (phenylazo)-1H-pyrazol-1-yl)-, Sodium Salt; Wool Yellow 36L
OSHA IMIS Code Number: A177
Chemical Abstracts Service (CAS) Registry Number: 6359-90-6
Primary Laboratory Sampling/Analytical Method (SLC1):
- sampling media: Glass Fiber Filter (37 mm)
analytical solvent: Methanol and Water
maximum volume: 100 Liters
maximum flow rate: 1.0 L/min
current analytical method: High Performance Liquid Chromatography; HPLC/UV/VIS
method reference: 2 (OSHA In-house File)
method classification: Not Validated
Conditions: 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
Wipe Sampling Method:
sampling media: Glass Fiber Filter
- For any dye analysis, a bulk sample of the dye must be sent to the Salt Lake Technical Center. Limit the amount of bulk submitted to one gram or approx. one mL.
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