Water Quality Testing Kits
SPEX CERTIPREP LLC 3P Total Residual Chlorine Concentrate CRM 1.50 mg/L, 24/pk
(NSI by Zeptometrix) Convenient and easy to use. Dilute 1mL from an ampule to 1000mL to reach certified value. Always the same, lot to lot, so your dilution process remains the same minimizing errors in your lab.
COLUMBIA ANALYTICAL INSTRUMENTS INC 1500 PPM EPA COD TUBES 300/PK
1500ppm range COD Tubes for compliance testing, high precision means low MDL's. QC Document included.
Aqua Solutions Calcon Indicator Solution | 1L
Composition: 88.701% Isopropanol (67-63-0), 5.085% Hydroxylamine Hydrochloride (5470-11-1), 0.565% Calcon Eriochrome Blue Black R (2538-85-4), 5.65% Water (7732-18-5)
Aqua Solutions Total Organic Carbon Std. 1000 mg/L (ppm), Certified (500ML)
Total Organic Carbon Std. 1000 mg/L (ppm), Certified (500ML)
Aqua Solutions Total Suspended Solids 50.0 mg/L (TSS) (Shake well before use) (1L)
Total Suspended Solids 50.0 mg/L (TSS) (Shake well before use) (1L)
Taylor Chemical HARDNESS IND PWD 1/4LB
This item has a minimum qty of 4 per supplier requirements.
Hardness Indicator Powder, Family: Organic dye or sucrose mixture, Specific Gravity: 1.6, Irritant, Appearance: Purple crystals, Sucrose CAS No.: 57-50-1 > 90%, Eriochrome black T CAS No.: 1787-61-7 <1%, 0.25 lb., Volatile by volume: 1%
Aqua Solutions Nalco H-7 Calcium Hardness Indicator (100g)
Nalco H-7 Calcium Hardness Indicator (100g)