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  1. Terra Aquatica Test Kit 4.0 to 8.5 pH 500 tests (30ml)
    Terra Aquatica Test Kit 4.0 to 8.5 pH 500 tests (30ml)
    €4.29
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  2. Laboratory bench meter EC / TDS / temperature with GLP Adwa (AD3000)
    Laboratory bench meter EC / TDS / temperature with GLP Adwa (AD3000)
    €325.00
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  3. Solución de calibración en sobre Hanna Redox ORP 470mv 20ml (HI700224P)
    Hanna ORP 470mv 20ml ORP calibration solution in sachet (HI700224P)
    €1.49
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  4. Benetech Sonómetro medidor de Ruido / Sonido 30-130dB (GM1356)
    Benetech Sound Level Meter Noise / Sound 30-130dB (GM1356)
    €59.90
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  5. Fuzion Pocket Scale / Precision balance 1000g/0,1g (SLR-1000)
    Fuzion Pocket Scale / Precision balance 1000g/0,1g (SLR-1000)
    €9.99
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  6. Aquamaster Combo Pen Pro Medidor digital de pH / Temperatura / EC (P110 PRO)
    Aquamaster Combo Pen Pro EC / ph Meter and Temperature Conductivity (P110 PRO)
    €74.90
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  7. Hanna HI 70642L Cleaning solution for probes with cheese deposits (500ml)
    Hanna HI 70642L Cleaning solution for probes with cheese deposits (500ml)
    €39.90
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  8. Adwa (AD630)
    Professional Waterproof Portable Dissolved Oxygen Meter Adwa (AD630)
    €624.90
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  9. Adwa AD332
    Professional Waterproof Portable E.C/ TDS/ Temp Meter Adwa (AD332)
    €228.90
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  10. Adwa (AD7632)
    EC Conductivity Replacement Electrode/Probe with Adwa NTC Sensor (AD7632)
    €54.90
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  11. Adwa (AD7662)
    Temperature probe for liquid and air applications with NTC sensor Adwa (AD7662)
    €54.90
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  12. AquaMeter Humidity Indicator for Bonsai (18cm)
    AquaMeter Humidity Indicator for Bonsai (18cm)
    €6.99
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  13. AD14P_probe_replacement
    pH / ORP / Redox y Temp Replacement Probe / Electrode for Adwa AD14 (AD14P)
    €73.90
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  14. Kenex Music MT-500 CD Box Scale (0,1-500g)
    Kenex Music MT-500 CD Box Scale (0,1-500g)
    €20.90
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  15. On Balance Tuff-Weigh - Servovendi
    On Balance Tuff-Weigh Digital balance / Precision balance (1000g/0,1g)
    €24.90
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  16. Kenex Music MT-100 CD Box Scale (0,01-100g)
    Kenex Music MT-100 CD Box Scale (0,01-100g)
    €22.90
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  17. Báscula / Balanza Tanita Tangent 104 - Servovendi
    Tanita Tangent 104 Pocket Scale / Precision balance (300g/0,1g)
    €36.90
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  18. Tanita 1479 V Pocket Scale / Precision balance (120g/0,1g)
    Tanita 1479 V Pocket Scale / Precision balance (120g/0,1g)
    €94.90
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  19. Kenex Matrix MX-100 Pocket Scale (0,01-100g)
    Kenex Matrix MX-100 Pocket Scale (100g/0.01g)
    €11.95
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  20. Kenex Matrix MX-500 Pocket Scale (500g/0.1g)
    Kenex Matrix MX-500 Pocket Scale (500g/0.1g)
    €7.99
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The nitrite ion has the chemical formula NO2−. The anion is symmetric with equal N-O bond lengths and a O-N-O bond angle of ca. 120°.