111.3 mS/cm Certified Reference Material CRM OIML Conductivity Standard Solution, KCl 1D, 500 mL
Code: S51M001
- Manufacturer: Hach
12.85 mS/cm ±0.5% (k=2) at 25°C
25.0 µS/cm ±5.0 % at 25°C
111.3 mS/cm ±0.5% (k=2) at 25°C
1015 µS/cm ±0.5 % at 25°C
1408 µS/cm ±0.5 % at 25°C
Ammonia TNTplus Vial Tests
Code: TNT830
- Manufacturer: Hach
0.015 – 2.00 mg/L NH₃-N
0.50 – 5.00 mg/L NH₃-N
1 – 12 mg/L NH₃-N
2 – 47 mg/L NH₃-N
10 – 100 mg/L NH₃-N
47 – 130 mg/L NH₃-N
100 – 1800 mg/L NH₃-N
Chloride Reagent Set, Silver Nitrate Digital Titrator, Full Range
Code: 2288000
- Manufacturer: Hach
10 – 100 mg/L Cl⁻
10 – 10000 mg/L Cl⁻
10 – 8000 mg/L Cl⁻
20 – 400 mg/L Cl⁻
Chlorine (Free and Total) Reagent Set, DPD FEAS, Digital Titrator
Code: 2445300
- Manufacturer: Hach
0 – 3.00 mg/L Cl₂
0 – 3.5 mg/L Cl₂
0.02 – 2.00 mg/L Cl₂
COD in salt-/seawater – TNTplus Vial Test, LR (7 – 70 mg/L COD), 25 Tests
Code: TNT815
- Manufacturer: Hach
7 – 70 mg/L COD
70 – 1000 mg/L COD
Free Amino Nitrogen Reagent Set
Items with this label are obsolete and unavailable through eCommerce. If applicable, click View Replacements, Contact Us, Talk to an Expert, or Chat for further assistance.
Code: 45950
- Manufacturer: Hach
Nitrate TNTplus Vial Test, LR (0.23-13.5 mg/L NO₃-N), 25 Tests
Code: TNT835
- Manufacturer: Hach
0.23 – 13.50 mg/L NO₃-N
5 – 35 mg/L NO₃-N
15 – 150 mg/L NO₃-N
Nitrite TNTplus Vial Test, LR (0.015-0.600 mg/L NO₂-N), 25 Tests
Code: TNT839
- Manufacturer: Hach
0.015 – 0.600 mg/L NO₂-N
0.6 – 6.0 mg/L NO₂-N
2 – 90 mg/L NO₂-N
Nonionic Surfactants TNTplus Vial Test, LR (0.2-6.0 mg/L as Triton X-100), 25 Tests
Code: TNT875
- Manufacturer: Hach
0.1 – 4.0 mg/L
0.2 – 2 mg/L as CTAB
0.2 – 6.0 mg/L as Triton x 100
6 – 200 mg/L as Triton X-100
pH 1.679 Certified Reference Material CRM Buffer Standard Solution, IUPAC, 500 mL
Code: S11M001
- Manufacturer: Hach
1.09 ±0.02 pH at 25°C
1.679 ±0.010 pH at 25°C
4.005 ±0.010 pH at 25°C
4.65 ±0.02 pH at 25°C
6.865 ±0.010 pH at 25°C
7.000 ±0.010 pH at 25°C
7.413 ±0.010 pH at 25°C
9.180 ±0.010 pH at 25°C
9.23 ±0.02 pH at 25°C
10.012 ±0.010 pH at 25°C
12.45 ±0.05 pH at 25°C
Phosphorus (Reactive and Total) TNTplus Vial Test, UHR (6-60 mg/L PO₄), 25 Tests
Code: TNT843
- Manufacturer: Hach
0.05 – 1.5 mg/L PO₄-P; 0.15 – 4.5 mg/L PO₄
0.5 – 5.0 mg/L PO₄-P; 1.5 – 15.0 mg/L PO₄
1.6 – 30 mg/L PO₄-P; 5 – 90 mg/L PO₄
2 – 20 mg/L PO₄-P; 6 – 60 mg/L PO₄
Simplified TKN (s-TKN) TNTplus Vial Test (0-16 mg/L N), 25 Tests
Code: TNT880
- Manufacturer: Hach
0 – 16 mg/L N
1 – 16 mg/L N
5 – 40 mg/L N
20 – 100 mg/L N
100 – 250 mg/L N
Sodium Thiosulfate Digital Titrator Cartridge, Stabilized, 0.02256 N
Code: 2409101
- Manufacturer: Hach

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