Drinking Water Standards

Turb Std, 4000 NTU, Stock Formazin Susp, APHA/EPA for Turb, EP Prim. Opalesc Susp, Ricca Chemical

CAS: 9003-70-7 Molecular Formula: C18H18 Molecular Weight (g/mol): 234.342 InChI Key: CHRJZRDFSQHIFI-UHFFFAOYSA-N PubChem CID: 174664 IUPAC Name: 1,2-bis(ethenyl)benzene;styrene SMILES: C=CC1=CC=CC=C1.C=CC1=CC=CC=C1C=C

Turbidity Standard, 10 NTU (Nephelometric Turbidity Units), Ricca Chemical

CAS: 9003-53-6 Molecular Formula: C8H8 Molecular Weight (g/mol): 104.152 InChI Key: PPBRXRYQALVLMV-UHFFFAOYSA-N PubChem CID: 7501 ChEBI: CHEBI:27452 IUPAC Name: styrene SMILES: C=CC1=CC=CC=C1

Trihalomethanes Drinking Water Standard (ULTRAcheck™ Blind QC Standard/For EPA 501, 502.2, 524.2)

Components at 1-20μg/L in final working solution:

Turbidity Standard, 4000 NTU, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 100-97-0 Molecular Formula: C6H12N4 Molecular Weight (g/mol): 140.19 InChI Key: VKYKSIONXSXAKP-UHFFFAOYSA-N Synonym: Formazin PubChem CID: 4101 ChEBI: CHEBI:6824 SMILES: C1N2CN3CN1CN(C2)C3

Total Residual Chlorine Drinking Water/Wastewater Standard (ULTRAcheck™ Blind)

Total Residual Chlorine at 0.3-5.0mg/L when diluted to 2 liters

Trace Metals QC Sample, Drinking Water Standard, SPEX CertiPrep™

Trace Metals QC Samples for use with ICP-OES, ICP-MS and AA methods, 15 mL, SPEX CertiPrep™

Nitrite Drinking Water Standard (ULTRAcheck™ Blind QC Standard)

Nitrite (as N) at 0.1-1.0mg/L when diluted to 1 liter; Traceable to NIST

Residual Chlorine QC Sample, SPEX CertiPrep™

Residual Chlorine QC Sample, 2 mL, SPEX CertiPrep™. ISO Guide 34 Certified

Primary Drinking Water Metals without Mercury for Environmental Analysis, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material