Hardness (APHA 2340C, EPA 130)

Calcium Chloride Standard, 400ppm Ca, Ricca Chemical

CAS: 471-34-1 Molecular Formula: CCaO3 Molecular Weight (g/mol): 100.086 InChI Key: VTYYLEPIZMXCLO-UHFFFAOYSA-L PubChem CID: 10112 ChEBI: CHEBI:3311 IUPAC Name: calcium;carbonate SMILES: C(=O)([O-])[O-].[Ca+2]

Hydrochloric Acid, 50% (v/v) Aqueous Solution, Ricca Chemical

CAS: 7647-01-0 Molecular Formula: ClH Molecular Weight (g/mol): 36.458 InChI Key: VEXZGXHMUGYJMC-UHFFFAOYSA-N Synonym: hydrochloric acid, hydrogen chloride, muriatic acid, chlorohydric acid, acide chlorhydrique, chlorwasserstoff, spirits of salt, hydrogen chloride hcl, anhydrous hydrochloric acid, chloorwaterstof PubChem CID: 313 ChEBI: CHEBI:17883 IUPAC Name: chlorane SMILES: Cl

Ammonium Hydroxide, 1.00 Normal

CAS: 1336-21-6 Molecular Formula: H5NO Molecular Weight (g/mol): 35.046 InChI Key: VHUUQVKOLVNVRT-UHFFFAOYSA-N Synonym: ammonium hydroxide, ammonia water, ammonia aqueous, aquammonia, aqua ammonia, ammonia, aqua, household ammonia, ammonium hydroxide solution, ammonia, monohydrate, ammonium hydroxide nh4 oh PubChem CID: 14923 ChEBI: CHEBI:18219 IUPAC Name: azanium;hydroxide SMILES: [NH4+].[OH-]

Eriochrome™ Black T, in Methoxyethanol, for Hardness, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 109-86-4 Molecular Formula: C3H8O2 Molecular Weight (g/mol): 76.095 InChI Key: XNWFRZJHXBZDAG-UHFFFAOYSA-N PubChem CID: 8019 ChEBI: CHEBI:46790 IUPAC Name: 2-methoxyethanol SMILES: COCCO

Eriochrome™ Black T, Dry Form in NaCl, for Hardness, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): 58.44 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium;chloride SMILES: [Na+].[Cl-]

Calcium Carbonate Standard , (1mL = 1mg CaCO3 = 0.4mg Ca), for Hardness, Certified, 1.000 ±0.010mg CaCO3/mL, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 471-34-1 Molecular Formula: CCaO3 Molecular Weight (g/mol): 100.086 InChI Key: VTYYLEPIZMXCLO-UHFFFAOYSA-L PubChem CID: 10112 ChEBI: CHEBI:3311 IUPAC Name: calcium;carbonate SMILES: C(=O)([O-])[O-].[Ca+2]

Sodium Hydroxide, Certified, 0.1000N ±0.0005N (0.1M), LabChem™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide, caustic soda, sodium hydrate, white caustic, soda lye, aetznatron, ascarite, sodium hydroxide na oh, sodium hydroxide solution, soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]

EDTA Titrant, 0.0100 Molar, Ricca Chemical

CAS: 6381-92-6 Molecular Formula: C10H18N2Na2O10 Molecular Weight (g/mol): 372.238 InChI Key: OVBJJZOQPCKUOR-UHFFFAOYSA-L Synonym: edta disodium salt, cal-ex decalcifier, buffer solution, ph 10.00, sodium di ethylenediamine tetraacetate dihydrate, ethylenediamine tetraacetic acid, disodium salt dihydrate, ethylenediamine tetraacetic acid, disodium salt, standard solution, sodium di ethylenediamine tetraacetate standard solution, ethylenedinitrilo tetraacetic acid disodium, dihydrate, reagent, acs PubChem CID: 44120005 IUPAC Name: disodium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;dihydrate SMILES: C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)O)CC(=O)O.O.O.[Na+].[Na+]

Calmagite Indicator, 0.1% Aqueous, for Hardness, Certified, LabChem™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 3147-14-6 Molecular Formula: C17H14N2O5S Molecular Weight (g/mol): 358.368 InChI Key: ASFVMSDYPYMUFL-UHFFFAOYSA-N PubChem CID: 6364506 IUPAC Name: 4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid SMILES: CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O

Monomagnesium EDTA, 0.2g/L, for Hardness, Ricca Chemical

CAS: 14402-88-1 Molecular Formula: C10H12MgN2Na2O8 Molecular Weight (g/mol): 358.497 InChI Key: AWNVVAMWLMUZOZ-UHFFFAOYSA-J Synonym: unii-ndt563s5vz, edta magnesium disodium, magnesium disodium edta, ndt563s5vz, magnesium disodium ethylenediaminetetraacetate, edta magnesium disodium salt hydrate, ethylenediaminetetraacetic acid magnesium disodium salt, ethylenediaminetetraacetic acid disodium magnesium salt, ethylenediaminetetraacetic acid disodium magnesium salt hydrate, magnesium sodium ethylenediaminetetraacetate PubChem CID: 161064 IUPAC Name: magnesium;disodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate SMILES: C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-].[Na+].[Na+].[Mg+2]

Lovibond™ CHECKIT™ Comparator Test Kits: Total Hardness

Accurate test kits for routine water analysis

Lovibond™ CHECKIT™ Comparator Test Kits: Total Hardness HR

Accurate test kit for routine water analysis

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