Strontium Standard: Sr @ 1000 µg/mL in 5% HNO3, 100mL Back Catalog number: VHG-PSRN-100 Availability: In the manufacturer's stock Price on request - + Recommended VHG-PALN-100 Aluminum Standard: Al @ 1000 µg/mL in 5% HNO3, 100mL Price on request SCP150-250-006 CONOSTAN AM, 1000 ppm, 100g Price on request 54102 Fluoride (F-) Price on request