N-Cyclohexylcarbodiimidomethyl Polystyrene Resin cross-linked with 1 Percent DVB (50-100mesh) (1.4-1.6mmol/g) Standard Solution of Volatile Organic Compounds for Water & Soil Analysis Test Specification Min Max SUITABILITY

Test Specification Min Max SUITABILITY AS REDOX INDICATOR TO PASS TEST TO PASS TEST SUITABILITY FOR Fe DETERMINATION TO PASS TEST TO PASS TEST

Test Specification Min Max LOSS ON DRYING As Reported As Reported HEAVY METALS 5 PPM MICROBIAL LIMITS: ESCHERICHIA COLI NEGATIVE NEGATIVE SALMONELLA NEGATIVE NEGATIVE

5 LEAD (Pb) 2 mg/kg RESIDUE ON IGNITION 0

Test Specification Min Max FORMALDEHYDE (HCHO) 38 - 42 g/l 38 - 42 g/l TRACEABLE TO NIST EXPIRATION DATE

00% pH OF A 5% SOLUTION 4

N-Cyclohexylcarbodiimidomethyl Polystyrene Resin cross-linked with 1 Percent DVB (50-100mesh) (1.4-1.6mmol/g) Standard Solution of Volatile Organic Compounds for Water & Soil Analysis Test Specification Min Max SUITABILITY