Multielement cal std 6 in 2 Percent HNO3 + Tr HF Coloring Agent Ingredients 00% READILY CARBONIZABLE SUBSTANCES TO

00% READILY CARBONIZABLE SUBSTANCES TO PASS TEST ORGANIC VOLATILE IMPURITIES TO PASS TEST IDENTIFICATION TO PASS TEST EXPIRATION DATE

10% HEAVY METALS 20 ppm ORGANIC IMPURITIES TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

2 % TRACEABLE TO NIST EXPIRATION DATE

Test Specification Min Max APPEARANCE WHITE XTALLINE P WHITE XTALLINE P ASSAY 97% 97%

Test Specification Min Max ASSAY [H[@2@]N(OH)C[@10@]H[@5@]SO[@3@]H] 90

Multielement cal std 6 in 2 Percent HNO3 + Tr HF Coloring Agent Ingredients 00% READILY CARBONIZABLE SUBSTANCES TO