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Lab Chemicals & Reagents


Water quality chemicals, reagents, and standards designed for repeatable & accurate measurements


Explore a range of reagents, chemicals, and standards that ensure quality compliance and repeatable tests in your water testing laboratory. These ensure repeatable, reliable analysis for municipal regulatory requirements.

Core & Main ORP Standard, 200 mV +/-5% @ 25°C, 500 mL
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Core & Main ORP Standard, 200 mV +/-5% @ 25°C, 500 mL
$37.50

Mfr. Part # OR4200-P

Product # 707121

Core & Main ORP Standard, 600 mV +/-5% @ 25°C, 500 mL
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Core & Main ORP Standard, 600 mV +/-5% @ 25°C, 500 mL
$37.50

Mfr. Part # OR4600-P

Product # 707123

Core & Main ORP Standard, 400 mV +/-5% @ 25°C, 500 mL
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Core & Main ORP Standard, 400 mV +/-5% @ 25°C, 500 mL
$37.50

Mfr. Part # OR4400-P

Product # 707122

Core & Main Nitrate Standard as N, 2.0 mg/L, 500 mL
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Core & Main Nitrate Standard as N, 2.0 mg/L, 500 mL
$31.15

Mfr. Part # NS4602-P

Product # 707105

Core & Main Nitrate Standard as N, 2.0 mg/L, 1 L
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Core & Main Nitrate Standard as N, 2.0 mg/L, 1 L
$51.40

Mfr. Part # NS4602-Q

Product # 707106

Core & Main Nitrate Standard as N, 1000 mg/L (ppm), 1 L
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Core & Main Nitrate Standard as N, 1000 mg/L (ppm), 1 L
$54.35

Mfr. Part # NS4750-Q

Product # 707112

Core & Main Nitrate Standard as N, 1000 mg/L (ppm), 500 mL
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Core & Main Nitrate Standard as N, 1000 mg/L (ppm), 500 mL
$33.15

Mfr. Part # NS4750-P

Product # 707111

Core & Main Nitrate Standard as N, 10.0 mg/L (ppm), 500 mL
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Core & Main Nitrate Standard as N, 10.0 mg/L (ppm), 500 mL
$32.20

Mfr. Part # NS4610-P

Product # 707107

Core & Main Nitrate Standard as N, 100 mg/L (ppm), 1 L
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Core & Main Nitrate Standard as N, 100 mg/L (ppm), 1 L
$54.35

Mfr. Part # NS4700-Q

Product # 707110

Core & Main Nitrate Standard as N, 100 mg/L (ppm), 500 mL
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Core & Main Nitrate Standard as N, 100 mg/L (ppm), 500 mL
$33.05

Mfr. Part # NS4700-P

Product # 707109

Core & Main Nitrate Standard as N, 10.0 mg/L (ppm), 1 L
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Core & Main Nitrate Standard as N, 10.0 mg/L (ppm), 1 L
$59.05

Mfr. Part # NS4610-Q

Product # 707108

Core & Main Nitrate Standard as N, 1.0 mg/L (ppm), 500 mL
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Core & Main Nitrate Standard as N, 1.0 mg/L (ppm), 500 mL
$41.25

Mfr. Part # NS4601-P

Product # 707103

Core & Main Nitrate Standard as N, 1.0 mg/L (ppm), 1 L
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Core & Main Nitrate Standard as N, 1.0 mg/L (ppm), 1 L
$53.70

Mfr. Part # NS4601-Q

Product # 707104

Core & Main Iron Standard Solution as Fe, 200 mg/L (ppm), 500 mL
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Core & Main Iron Standard Solution as Fe, 200 mg/L (ppm), 500 mL
$53.95

Mfr. Part # IS1200-P

Product # 707086

Core & Main Iron Standard Solution as Fe, 200 mg/L (ppm), 1 L
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Core & Main Iron Standard Solution as Fe, 200 mg/L (ppm), 1 L
$97.95

Mfr. Part # IS1200-Q

Product # 707087

Core & Main Hydrochloric Acid, 5.0N, 500 mL
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Core & Main Hydrochloric Acid, 5.0N, 500 mL
$37.85

Mfr. Part # HA6195-P

Product # 707064

Core & Main Hydrochloric Acid, 5.0N, 1 L
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Core & Main Hydrochloric Acid, 5.0N, 1 L
$56.75

Mfr. Part # HA6195-Q

Product # 707065

Core & Main Hydrochloric Acid, 3.0N, 500 mL
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Core & Main Hydrochloric Acid, 3.0N, 500 mL
$24.20

Mfr. Part # HA6193-P

Product # 707061

Core & Main Hydrochloric Acid, 3.0N, 4 L
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Core & Main Hydrochloric Acid, 3.0N, 4 L
$95.95

Mfr. Part # HA6193-G

Product # 707063

Core & Main Hydrochloric Acid, 3.0N, 1 L
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Core & Main Hydrochloric Acid, 3.0N, 1 L
$38.35

Mfr. Part # HA6193-Q

Product # 707062

Core & Main Hydrochloric Acid, 2.0N, 4 L
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Core & Main Hydrochloric Acid, 2.0N, 4 L
$49.95

Mfr. Part # HA6172-G

Product # 707060

Core & Main Hydrochloric Acid, 2.0N, 1 L
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Core & Main Hydrochloric Acid, 2.0N, 1 L
$20.00

Mfr. Part # HA6172-Q

Product # 707059

Core & Main Zero Oxygen Standard, 500 mL
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Core & Main Zero Oxygen Standard, 500 mL
$16.95

Mfr. Part # ZE4175-P

Product # 707317

Core & Main Zero Oxygen Standard, 120 mL
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Core & Main Zero Oxygen Standard, 120 mL
$13.50

Mfr. Part # ZE4175-C

Product # 707316

Core & Main Sulfuric Acid,0.02N, (N/50), 20 L
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Core & Main Sulfuric Acid,0.02N, (N/50), 20 L
$142.80

Mfr. Part # SA1500-T

Product # 707281

Core & Main Sulfuric Acid, 5.25N, 1 L
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Core & Main Sulfuric Acid, 5.25N, 1 L
$33.60

Mfr. Part # SA1663-Q

Product # 707285

Core & Main Sulfuric Acid, 5.25N, 500 mL
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Core & Main Sulfuric Acid, 5.25N, 500 mL
$21.90

Mfr. Part # SA1663-P

Product # 707284

Core & Main Sulfuric Acid, 19.2N, 500 mL
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Core & Main Sulfuric Acid, 19.2N, 500 mL
$39.90

Mfr. Part # SA1708-P

Product # 707292

Core & Main Phenolphthalein Indicator Solution, 1% in Isopropanol, 120 mL
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Core & Main Phenolphthalein Indicator Solution, 1% in Isopropanol, 120 mL
$16.55

Mfr. Part # PH1801-C

Product # 707375

Core & Main Phenolphthalein Indicator Solution, 1% in Isopropanol, 500 mL
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Core & Main Phenolphthalein Indicator Solution, 1% in Isopropanol, 500 mL
$19.35

Mfr. Part # PH1801-P

Product # 707328

Core & Main Ferrous Ammonium Sulfate, ACS Grade, 500 g
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Core & Main Ferrous Ammonium Sulfate, ACS Grade, 500 g
$127.30

Mfr. Part # FE1005-K

Product # 707007

Core & Main Deionized Water, Type II, 4 L
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Core & Main Deionized Water, Type II, 4 L
$18.55

Mfr. Part # DW4000-G

Product # 706984

Core & Main Deionized Water, Type II, 20 L
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Core & Main Deionized Water, Type II, 20 L
$41.45

Mfr. Part # DW4000-T

Product # 706985

Core & Main Cupric Sulfate, Pentahydrate, ACS Grade, 500 g
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Core & Main Cupric Sulfate, Pentahydrate, ACS Grade, 500 g
$104.30

Mfr. Part # CU1001-K

Product # 706980

Core & Main Deionized Water, Type II, 1 L
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Core & Main Deionized Water, Type II, 1 L
$13.70

Mfr. Part # DW4000-Q

Product # 706983

Core & Main Cupric Sulfate, Pentahydrate, ACS Grade, 100 g
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Core & Main Cupric Sulfate, Pentahydrate, ACS Grade, 100 g
$55.80

Mfr. Part # CU1001-J

Product # 706979

Core & Main Bromthymol Blue Indicator, 0.04% w/v, 1 L
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Core & Main Bromthymol Blue Indicator, 0.04% w/v, 1 L
$25.95

Mfr. Part # BB5025-Q

Product # 706958

Core & Main Bromthymol Blue Indicator, 0.04% w/v, 120 mL
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Core & Main Bromthymol Blue Indicator, 0.04% w/v, 120 mL
$10.95

Mfr. Part # BB5025-C

Product # 706956

Core & Main Bromophenol Blue Indicator, 0.1% w/v, 500 mL
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Core & Main Bromophenol Blue Indicator, 0.1% w/v, 500 mL
$38.50

Mfr. Part # BB4880-P

Product # 706955

Core & Main Bromophenol Blue Indicator, 0.1% w/v, 120 mL
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Core & Main Bromophenol Blue Indicator, 0.1% w/v, 120 mL
$15.95

Mfr. Part # BB4880-C

Product # 706954

Core & Main Bromcresol Green Indicator Solution, 0.1% w/v, 500 mL
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Core & Main Bromcresol Green Indicator Solution, 0.1% w/v, 500 mL
$24.55

Mfr. Part # BG4135-P

Product # 706950

Core & Main Bromcresol Green Indicator Solution, 0.1% w/v, 120 mL
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Core & Main Bromcresol Green Indicator Solution, 0.1% w/v, 120 mL
$15.50

Mfr. Part # BG4135-C

Product # 706949

Core & Main Boric Acid, ACS Grade, 500 g
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Core & Main Boric Acid, ACS Grade, 500 g
$67.20

Mfr. Part # BA1007-K

Product # 706947

Core & Main Boric Acid, ACS Grade, 100 g
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Core & Main Boric Acid, ACS Grade, 100 g
$28.95

Mfr. Part # BA1007-J

Product # 706946

Core & Main Ascorbic Acid, ACS Grade, 100 g
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Core & Main Ascorbic Acid, ACS Grade, 100 g
$36.75

Mfr. Part # AA1330-J

Product # 706940

Core & Main Barium Chloride Solution, 10% w/v, 500 mL
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Core & Main Barium Chloride Solution, 10% w/v, 500 mL
$17.15

Mfr. Part # BC2010-P

Product # 706942

Core & Main Barium Chloride Solution, 10% w/v, 4 L
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Core & Main Barium Chloride Solution, 10% w/v, 4 L
$80.60

Mfr. Part # BC2010-G

Product # 706944

Core & Main Barium Chloride Solution, 10% w/v, 1 L
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Core & Main Barium Chloride Solution, 10% w/v, 1 L
$28.75

Mfr. Part # BC2010-Q

Product # 706943