Refractive Index Std-1.570 NOM RI 20°C

Description A21752-1.570-20 Nominal Value 1.570 Refractive Index Standard. 28ml (1 oz.) bottle. Supplied complete with certificate showing NIST traceability. Calibrated at 20ºC. For use with Temperature controlled refractometers. Flat Rate Shipping of $19.95 is applied to all orders under $500.00 on orders over $500.00 shipping is free. Please order the correct item, call if necessary as all orders are non-returnable. The Rudolph Shop only ships to the United States, outside the US please contact your local distributor here: https://rudolphresearch.com/distributors/ You will receive an order confirmation and shipping confirmation with tracking information during the processing of your order.   Price is per piece or unless Pack size is provided in description.