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Standards-Others
Whether you're determining unknown substances or calibrating analytical instruments, you will need certified laboratory standard solutions. Here at Lab Pro, our standards aim to increase lab efficiency and help users achieve more accurate results. Browse through our standards selection ranging from water-soluble ammonium sulfamate to phenacetin powder. If you need laboratory standards in bulk, don't hesitate to reach us at 888-4-LABPRO (888-452-2776). We also offer next-day service in California and same-day service for will-calls.

Acetic Acid Standard, 800 ppm CH?COOH in 10% (v/v) Ethanol - R0091800-100A

$55.78 $52.99

Acetate Standard, 10,000 ppm C?H?O? Acetic Acid in Water - R0082000-500A

$128.31 $121.89

Acetic Acid Standard, 750 ppm CH?COOH in 10% (v/v) Ethanol - R0091750-100A

$59.21 $56.25

Acetic Acid Standard, 1000 ppm CH?COOH - R0085000-120A

$70.48 $66.96

Acetic Acid Standard, 900 ppm CH?COOH in 10% (v/v) Ethanol - R0091900-100A

$71.10 $67.55

Aluminum Standard Solution (200 ppm Al) R EP Standard Solution - 608-16

$226.47 $215.15

Acetic Acid Standard, 300 ppm CH?COOH in 10% (v/v) Ethanol - R0091300-100A

$59.21 $56.25

Acetic Acid Standard, 500 ppm CH?COOH in 10% (v/v) Ethanol - R0091500-100A

$59.21 $56.25

Acetic Acid Standard, 1200 ppm CH?COOH in 10% (v/v) Ethanol - R0092120-100A

$55.78 $52.99

Acetic Acid Standard, 100 ppm CH?COOH in 10% (v/v) Ethanol - R0091100-100A

$59.21 $56.25

Acetic Acid Standard, 2500 ppm CH?COOH in 10% (v/v) Ethanol - R0092250-100A

$59.21 $56.25

Acetic Acid Standard, 1000 ppm CH?COOH in 10% (v/v) Ethanol - R0092100-100A

$59.21 $56.25

Acetic Acid Standard, 250 ppm CH?COOH in 10% (v/v) Ethanol - R0091250-100A

$59.21 $56.25

Aluminum Sulfate Standard, 8.1% (w/w) as Al?O? - 607-16

$173.08 $164.43

Aluminum Standard, 10,000 ppm Al - 605-4

$97.73 $92.84

Acetate Standard, 1000 ppm C?H?O?? - 80-16

$115.17 $109.41

Aluminum Standard, 10,000 ppm Al - 605-16

$231.93 $220.33

Ammonia Nitrogen Standard, 1 ppm N - 611.01-16

$115.69 $109.91

Ammonia Standard, 25 mg/L (ppm) NH? - R0612025-500A

$60.27 $57.26

Ammonia Standard, 0.1 ppm NH? (0.0822 ppm N) - R0611300-1A

$145.70 $138.42

Ammonia Nitrogen Standard, 5 ppm N - 611-32

$155.25 $147.49

Aluminum Standard Solution (200 ppm Al) R EP Standard Solution - 608-4

$95.82 $91.03

Ammonia Nitrogen Standard, 5 ppm N - 611.05-16

$112.55 $106.92

Ammonia Standard, 5 ppm NH? - 612.05-32

$159.87 $151.88

Ammonia Nitrogen Standard, 0.2 ppm N - R0611002-500A

$87.50 $83.13

Ammonia Standard, 10 ppm NH? (8.22 ppm N) - 612-1

$296.06 $281.26

Ammonia Standard, 10 ppm NH? (8.22 ppm N) - 612-32

$139.59 $132.61

Ammonia Standard, 0.5 ppm NH? - 611.4-32

$160.39 $152.37

Ammonia Standard, 10 ppm NH? (8.22 ppm N) - 612-4

$43.06 $40.91

Ammonia Standard, 1000 ppm NH? (822 ppm N) - R0615200-100N

$63.33 $60.16

Ammonia Standard, 100 ppm NH? (82.2 ppm N) - 613-4

$43.06 $40.91

Ammonia Standard, 1000 ppm NH? (822 ppm N) - 615-1

$299.20 $284.24

Ammonia Standard, 10 ppm NH? (8.22 ppm N) - 612-16

$82.87 $78.73

Ammonia Standard, 1 ppm NH? - 611.5-32

$259.94 $246.94

Ammonia Nitrogen Standard, 2 ppm N - R0611020-500A

$96.08 $91.28

Ammonia Standard, 1 ppm NH? - 611.5-16

$127.68 $121.30

Ammonia Standard, 10,000 ppm NH? - R0615300-1A

$230.33 $218.81

Ammonia Standard, 1000 ppm NH? (822 ppm N) - 615-32

$143.85 $136.66

Ammonia Standard, 1000 ppm NH? (822 ppm N) - 615-4

$44.37 $42.15

Ammonia Standard, 10,000 ppm NH? - R0615300-500A

$138.77 $131.83

Ammonia Standard, 100 ppm NH? (82.2 ppm N) - 613-1

$296.06 $281.26

Ammonia Standard, 100 ppm NH? (82.2 ppm N) - 613-16

$82.87 $78.73

Ammonium Standard Stock Solution (250 ppm NH?) EP Standard Solution - 691-16

$85.41 $81.14

Ammonia Standard, 100 ppm NH? (82.2 ppm N) - 613-32

$139.59 $132.61

Ammonia Standard, 1000 ppm NH? (822 ppm N) - 615-16

$83.90 $79.71

Ammonium Standard Stock Solution (250 ppm NH?) EP Standard Solution - 691-4

$41.92 $39.82

Ammonium Standard, 1000 ppm NH?? (776.5 ppm N) - 693-32

$145.74 $138.45

Ammonium Standard, 1000 ppm NH?? (776.5 ppm N) - 693-4

$41.57 $39.49

Ammonium Standard, 100 ppm NH?? - 692.5-100

$51.00 $48.45

Ammonium Standard, 1000 ppm NH?? (776.5 ppm N) - 693-16

$85.17 $80.91

Arsenic Standard, 1 ppm As in 2% HNO? - R0797001-500N

$98.55 $93.62

Anions Multi-Standard Solution, 250 ppm F, 500 ppm Cl, 250 ppm NO?-N, 500 ppm PO?, 500 ppm SO? - 753-16

$156.13 $148.32

Arsenate Standard, 1000 ppm As?O? (652 ppm As) - R0792000-120A

$99.33 $94.36

Arsenic Standard, 100 ppm As in 2% HNO? - R0797100-500N

$106.53 $101.20

Bromate Standard, 1000 ppm BrO?? (with Ethylenediamine preservative) - 1160-32

$145.58 $138.30

Anion Standard Set, 1000 ppm: F?, Cl?, Br?, NO??, NO??, PO?³?, and SO?²? - 754-7PK

$706.40 $671.08

Arsenic Standard, 0.5 ppm As in 2% HNO? - R0797005-500N

$98.51 $93.58

Arsenic Standard, 10 ppm As - 796-16

$88.39 $83.97

Arsenite Standard, 0.100 Normal (N/10) - 820-32

$128.16 $121.75

Sodium Bromide Standard, 1 ppm NaBr - R1174001-1A

$156.92 $149.07

Bromide Standard, 100 ppm Br? - 1174-4

$41.07 $39.02

Bromide Standard, 1000 ppm Br? - 1180-4

$39.26 $37.30

Arsenite Standard, 0.100 Normal (N/10) - 820-16

$77.88 $73.99

Arsenic Standard, 10 ppm As in 2% HNO? - R0797010-500N

$99.39 $94.42

Bromide Standard, 200 ppm Br? - 1175-4

$52.54 $49.91

Bromide Standard, 500 ppm Br? - R1178000-120A

$39.75 $37.76

Arsenic Standard Stock, EP, 1000 ppm As - R0818000-120A

$69.24 $65.78

Arsenite Standard, 0.100 Normal (N/10) - 820-1

$260.87 $247.83

Bromide Standard, 1000 ppm Br? - 1180-16

$76.91 $73.06

Boron Standard, 1000 ppm B - 1102-16

$112.34 $106.72

Boron Standard, 1 ppm B - 1090-16

$168.61 $160.18

Inorganic Carbon Standard, 500 ppm C - 1845.5-32

$192.10 $182.50

Inorganic Carbon Standard, 1000 ppm C - 1845-4

$48.28 $45.87

Organic Carbon Standard, 100 ppm C - 1846-16

$98.90 $93.96

Organic Carbon Standard, 100 ppm C - 1846-5

$688.12 $653.71

Inorganic Carbon Standard, 25 ppm C - R1845025-250C

$81.36 $77.29

Inorganic Carbon Standard, 1000 ppm C - 1845-16

$76.19 $72.38

Organic Carbon Standard, 100 ppm C - 1846-32

$106.50 $101.18

Inorganic Carbon Standard, 25 ppm C - R1845025-500C

$96.15 $91.34

Inorganic Carbon Standard, 50 ppm C - R1845050-500C

$215.60 $204.82

Organic Carbon Standard, 300 ppm C - R1846300-1C

$265.00 $251.75

Organic Carbon Standard, 300 ppm C - R1846300-500C

$119.33 $113.36

Organic Carbon Standard, 125 ppm C - R1846125-1C

$179.43 $170.46

Organic Carbon Standard, 200 ppm C - R1846200-250C

$110.90 $105.36

Organic Carbon Standard, 1000 ppm C - 1847-2.5

$441.25 $419.19

Inorganic Carbon Standard, 100 ppm C - R1845100-500C1

$67.36 $63.99

Inorganic Carbon Standard, 10,000 ppm C - R1845900-500C

$318.27 $302.36

Organic Carbon Standard, 1000 ppm C - 1847-16

$71.44 $67.87

Inorganic Carbon Standard, 100 ppm C - R1845100-500C

$130.85 $124.31

Inorganic Carbon Standard, 1000 ppm C - 1845-32

$82.66 $78.53

Organic Carbon Standard, 500 ppm C - 1846.5-16

$178.09 $169.19

Organic Carbon Standard, 1000 ppm C - 1847-32

$93.99 $89.29

Inorganic Carbon Standard, 10,000 ppm C - R1845900-250C

$162.47 $154.35

Organic Carbon Standard, 500 ppm C - 1846.5-32

$326.40 $310.08

Chloride/Sulfate IC Standard, 5 ppm Cl, 5 ppm SO? - R1962050-50A

$70.01 $66.51

Chloride/Sulfate IC Standard, 10 ppm Cl, 10 ppm SO? - R1962100-500A

$138.98 $132.03

Organic Carbon Standard, 1000 ppm C (with H?SO? preservative) - 1847.2-16

$222.43 $211.31

Organic Carbon Standard, 1500 ppm C - 1847.15-16

$126.19 $119.88

Organic Carbon Standard, 2000 ppm C - 1848-32

$89.05 $84.60

Chloride / Nitrate IC Standard, 1 ppm Cl?, 3 ppm NO?? - R1964020-500A

$104.97 $99.72

Cadmium Standard, 100 ppm Cd - 1695-16

$50.05 $47.55

Organic carbon standard, 5000 ppm C with HCl - R1849100-500C

$118.61 $112.68

Organic Carbon Standard, 5000 ppm C - R1849500-500C

$59.35 $56.38

Organic Carbon Standard, 4500 ppm C - 1849.45-1CT

$316.61 $300.78

Organic Carbon Standard, 400 ppm C - 1846.4-16

$122.12 $116.01

Organic carbon standard, 1000 ppm C with HCl - R184900-500C

$146.91 $139.56

Organic Carbon Standard, 200 ppm C - R1846200-500C

$130.95 $124.40

Organic Carbon Standard, 5000 ppm C - R1849500-1C

$152.14 $144.53

Calcium Carbonate Standard, 0.100 Molar (M/10) - 1716-32

$219.38 $208.41

Calcium Carbonate Standard, 0.100 Molar (M/10) - 1716-16

$108.55 $103.12

Organic Carbon Standard, 5000 ppm C - R1849500-4C

$174.96 $166.21

Chloride/Sulfate IC Standard, 5 ppm Cl?, 5 ppm SO?²? in Reagent Alcohol - R1963050-100A

$69.97 $66.47

Cadmium Standard, 20 ppm Cd - R1686020-500A

$125.93 $119.63

Organic carbon standard, 10,000 ppm with HCl - R1849200-500C

$122.81 $116.67

Organic Carbon Standard, 1000 ppm C - 1847-4

$48.28 $45.87

Chloride / Nitrate IC Standard, 0.5 ppm Cl?, 2 ppm NO?? - R1964010-500A

$104.27 $99.06

Chloride/Sulfate IC Standard, 5 ppm Cl?, 5 ppm SO?²? in Reagent Alcohol - R1963050-500A

$119.96 $113.96

Organic Carbon Standard, 10,000 ppm C - R1849900-100C

$121.71 $115.62

Chromate Standard, 1000 ppm CrO?²? - 2070-4

$42.33 $40.21

Organic Carbon Standard, 100 ppm C with HCl - R1849250-500C

$121.85 $115.76

Hexavalent Chromium Standard, 100 ppm Cr?? - 2095-4

$52.97 $50.32

Cation Mixed Standard Solution, 1000 ppm Li, Na, NH?, K, Mg, Ca - R1854100-500A

$274.75 $261.01

Chromate Standard, 1000 ppm CrO?²? - 2070-16

$91.42 $86.85

Cadmium Standard, 0.5 ppm Cd - R1686005-500A

$80.43 $76.41

Chromic Acid Standard - R2078000-1C1

$726.55 $690.22

Organic Carbon Standard, 10,000 ppm C (Ethylene Glycol in 0.2% H?SO?) - 1849.95-1

$123.70 $117.52

Organic carbon standard, 10 ppm with HCl - R1849300-500C

$123.39 $117.22

Organic Carbon Standard, 10,000 ppm C (Ethylene Glycol in 0.2% H?SO?) - 1849.95-16

$57.06 $54.21

Calcium Chloride Standard, 1000 ppm CaCO? (400 ppm Ca), 0.0100 M Ca²?, 0.0200 N Ca²? - 1780-4

$46.82 $44.48

Chromium Standard, 3 ppm Cr, in 3% HNO3 - R2100030-500N

$269.30 $255.84

Hexavalent Chromium Standard, 100 ppm Cr?? - 2095-16

$98.17 $93.26

Organic Carbon Standard, 10,000 ppm C - R1849900-500C

$131.22 $124.66

Cobalt Standard, 5 ppm Co in 3% HNO? - R2111005-1N

$147.21 $139.85

Calcium Chloride Standard, 1000 ppm CaCO? (400 ppm Ca), 0.0100 M Ca²?, 0.0200 N Ca²? - 1780-16

$63.47 $60.30

Cobalt Standard, 10 ppm Co in 3% HNO? - R2111010-1N

$148.14 $140.73

Chloride Standard, 1 ppm Cl? - 1941.1-4

$44.94 $42.69

Calcium Standard, 200 ppm Ca (80.09 ppm Ca) - 1798-16

$51.23 $48.67

Chloride Standard, 50 ppm Cl? - 1945-1

$122.21 $116.10

Calcium Chloride Standard, 1000 ppm CaCO? (400 ppm Ca), 0.0100 M Ca²?, 0.0200 N Ca²? - 1780-32

$78.96 $75.01

Calcium Standard, 10,000 ppm Ca - 1805-16

$152.79 $145.15

Calcium Chloride Standard, 1000 ppm CaCO? (400 ppm Ca), 0.0100 M Ca²?, 0.0200 N Ca²? - 1780-1

$126.38 $120.06

Chloride Standard, 5 ppm Cl? - 1941.5-16

$132.13 $125.52

Chloride Standard, 1 ppm Cl? - 1941.1-16

$73.03 $69.38

Chloride Standard, 10 ppm Cl? - 1942.1-16

$47.76 $45.37

Calcium Standard, 10,000 ppm Ca - 1805-4

$68.31 $64.89

Cobalt Standard, 1 ppm Co in 3% HNO? - R2111001-1N

$146.50 $139.18

Calcium Standard, 25,000 ppm Ca - 1820-4

$83.00 $78.85

Organic Carbon Standard, 10 ppm C - 1844.10-32

$87.48 $83.11

Chloride Standard, 1 ppm Cl? - 1941.1-32

$83.68 $79.50

Chloride Standard, 100 ppm Cl? - 1947-4

$47.76 $45.37

Chloride Standard, 10 ppm Cl? - 1942.1-1

$139.94 $132.94

Calcium Standard, 100 ppm Ca - 1795-100

$83.00 $78.85

Chloride Standard, 50 ppm Cl? - 1945-16

$54.77 $52.03

Carbonate Standard, 1000 ppm CO?²? - R1835500-500A

$138.19 $131.28

Organic Carbon Standard, 20 ppm C - 1844.20-32

$94.22 $89.51

Chloride Standard, 100 ppm Cl? - 1947-16

$91.48 $86.91

Calcium Standard, 500 ppm Ca - 1799-16

$129.81 $123.32

Chloride Standard, 10 ppm Cl? - 1942.1-4

$33.52 $31.84

Organic Carbon Standard, 5 ppm C - 1844.05-16

$106.50 $101.18

Calcium Standard, 1000 ppm Ca - 1821-16

$158.76 $150.82

Chloride Standard, 100 ppm Cl? - 1947-32

$168.33 $159.91

Chloride Standard, 1000 ppm Cl? (0.0282 Normal) - 1955-16

$47.08 $44.73

Chloride Standard, 50 ppm Cl? - 1945-32

$54.99 $52.24

Chloride Standard, 500 ppm Cl? (0.0141 Normal) - 1950-32

$139.94 $132.94

Chloride Standard, 1 ppm Cl? - 1941.1-1

$143.92 $136.72

Chloride Standard, 500 ppm Cl? (0.0141 Normal) - 1950-1

$371.85 $353.26

Chloride Standard, 100 ppm Cl? - 1947-1

$341.27 $324.21

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 100 - 2230.100-16

$220.61 $209.58

Organic Carbon Standard, 20 ppm C - 1844.20-1

$123.70 $117.52

Calcium Standard, 1000 ppm Ca - 1821-4

$69.35 $65.88

Chloride Standard, 0.100 Normal (N/10), 100 mEq/L NaCl - 1960-16

$58.63 $55.70

Organic Carbon Standard, 50 ppm C - 1844.50-1

$123.70 $117.52

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 100 - 2230.100-100

$194.43 $184.71

Cobalt Standard, 10,000 ppm Co - 2205-4

$91.85 $87.26

Chloride Standard, 1000 ppm Cl? (0.0282 Normal) - 1955-32

$52.47 $49.85

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 100 - 2230.100-32

$244.71 $232.47

Chloride Standard, 50 ppm Cl? - 1945-4

$33.60 $31.92

Organic Carbon Standard, 20 ppm C - 1844.20-5

$685.58 $651.30

Chloride Standard, 25 ppm Cl? - 1943-32

$164.78 $156.54

Chloride Standard, 1000 ppm Cl? (0.0282 Normal) - 1955-4

$34.98 $33.23

Chemical Oxygen Demand Standard, 10,000 ppm COD - R2229100-1A

$338.85 $321.91

Chloride Standard, 15,000 ppm Cl? - R1955150-1A

$269.19 $255.73

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 70 - R2230070-500C

$267.89 $254.50

Chloride Standard, 20,000 ppm Cl? - R1955200-500A

$140.13 $133.12

Organic Carbon Standard, 2 ppm C - R1844020-1C

$278.18 $264.27

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-200

$158.13 $150.22

Organic Carbon Standard, 25 ppm C - R1844250-500C

$139.68 $132.70

Chloride/Sulfate IC Standard, 1 ppm Cl, 1 ppm SO? - R1962010-500A

$107.09 $101.74

Organic Carbon Standard, 5 ppm C - 1844.05-1

$152.14 $144.53

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-8

$158.96 $151.01

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 100 - 2230.100-1

$516.54 $490.71

Conductivity Standard, 13,000 µS/cm (13 mS/cm) at 25°C - R2246125-10F

$528.68 $502.25

Cobalt Standard, 10,000 ppm Co - 2205-16

$215.74 $204.95

Chloride/Sulfate IC Standard, 2.5 ppm Cl, 2.5 ppm SO? - R1962025-500A

$112.40 $106.78

Chloride Standard, 1000 ppm Cl? (0.0282 Normal) - 1955-1

$102.49 $97.37

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 80 - R2230080-500C

$271.79 $258.20

Chemical Oxygen Demand Standard, 5000 ppm COD - 2229-16

$198.66 $188.73

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 200 - 2230.200-32

$510.44 $484.92

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 10 - 2230.5-100

$92.54 $87.91

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-16

$448.39 $425.97

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 250 - 2230.250-16

$257.83 $244.94

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 300 - 2230.300-16

$348.22 $330.81

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 150 - 2230.150-4

$210.00 $199.50

Chloride Standard, 0.005 Normal (N/200) - R1958500-1A

$168.16 $159.75

Chloride Standard, 0.100 Normal (N/10), 100 mEq/L NaCl - 1960-5

$701.76 $666.67

Organic Carbon Standard, 25 ppm C - R1844250-1C

$196.02 $186.22

Chloride Standard, 10,000 ppm Cl? (0.282 Normal) - 1957-32

$222.05 $210.95

Chloride Standard, 500 ppm Cl? (0.0141 Normal) - 1950-4

$59.27 $56.31

Chloride Standard, 500 ppm Cl? (0.0141 Normal) - 1950-16

$98.68 $93.75

Conductivity Standard, 1330 µS/cm at 25°C - R2236517-20F

$780.60 $741.57

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 400 - 2230.400-32

$692.03 $657.43

Chemical Oxygen Demand Standard, 100 ppm COD - 2227-16

$98.62 $93.69

Chloride Standard, 10 ppm Cl? - 1942.1-32

$91.48 $86.91

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 2 - 2230.002-16

$107.00 $101.65

Conductivity Standard, 1413 µS/cm at 25°C - 2236.52-32

$65.57 $62.29

Chemical Oxygen Demand Standard, 300 ppm COD - 2228-16

$52.32 $49.70

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 2 - 2230.002-4

$94.05 $89.35

Chloride/Sulfate IC Standard, 5 ppm Cl, 5 ppm SO? - R1962050-500A

$121.25 $115.19

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 1 - R2230001-500C

$249.74 $237.25

Organic Carbon Standard, 50 ppm C - 1844.50-32

$94.22 $89.51

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 300 - 2230.300-32

$674.19 $640.48

Chemical Oxygen Demand Standard, 10,000 ppm COD - R2229100-500A

$267.66 $254.28

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-32

$490.34 $465.82

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 10 - 2230.5-32

$176.14 $167.33

Chloride/Sulfate IC Standard, 2 ppm Cl, 2 ppm SO? - R1962020-50A

$68.93 $65.48

Chloride Standard, 100,000 ppm Cl? (2.82 Normal) - 1956-16

$220.28 $209.27

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 350 - 2230.350-16

$359.50 $341.53

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 150 - 2230.150-16

$228.75 $217.31

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-4

$115.43 $109.66

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 10 - 2230.5-16

$102.26 $97.15

Conductivity Standard, 11,030 µS/cm (11.03 mS/cm) at 25°C - R2246110-20F

$782.10 $743.00

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 15 - 2230.015-8

$87.64 $83.26

Chloride Standard, 20,000 ppm Cl? - R1955200-1A

$269.33 $255.86

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 450 - 2230.450-16

$467.38 $444.01

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 10 - 2230.5-1

$361.37 $343.30

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 5 - 2230.005-1

$157.00 $149.15

Chemical Oxygen Demand Standard, 300 ppm COD - 2228-32

$95.12 $90.36

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 3 - 2230.003-4

$191.06 $181.51

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 400 - 2230.400-4

$185.17 $175.91

Color Standard Stock, APHA 500, Modified - R2229950-1C

$733.58 $696.90

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 450 - 2230.450-4

$151.67 $144.09

Chloride/Sulfate IC Standard, 2 ppm Cl, 2 ppm SO? - R1962020-500A

$110.64 $105.11

Chloride Standard, 10,000 ppm Cl? (0.282 Normal) - 1957-16

$128.71 $122.27

Chloride Standard, 100,000 ppm Cl? (2.82 Normal) - 1956-32

$329.17 $312.71

Conductivity Standard, 13,730 µS/cm (13.73 mS/cm) at 25°C - R2246137-20F

$782.55 $743.42

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 1000 - 2231-16

$517.10 $491.25

Conductivity Standard, 1413 µS/cm at 25°C - 2236.52-16

$42.47 $40.35

Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 400 - 2230.400-16

$442.87 $420.73

Conductivity Standard, 1330 µS/cm at 25°C - R2236517-1A

$233.55 $221.87

Conductivity Standard, 13,000 µS/cm (13 mS/cm) at 25°C - R2246125-1A

$233.64 $221.96

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