"Hach"
Formaldehyde standard solution
Supplier: Hach
For accuracy checks in formaldehyde determination.
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Standard solution, phosphate, 500 mg/L as PO4 (NIST), pk/16 - 10-mL voluette® ampules
Supplier: Hach
For accuracy checks in phosphate (phosphorus) determinations
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Potassium hydroxide 12 mol/l (12 N) in aqueous solution
Supplier: Hach
Potassium hydroxide 12 mol/l (12 N) in aqueous solution
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Hydroxylammonium chloride 10% in aqueous solution
Supplier: Hach
Hydroxylammonium chloride 10% in aqueous solution
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Sulphuric acid 9.6 mol/l (19.2 N)
Supplier: Hach
Sulphuric acid 9.6 mol/l (19.2 N)
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Sodium hydroxide 4.5 mol/l (4.5 N) in aqueous solution
Supplier: Hach
Sodium hydroxide 4.5 mol/l (4.5 N) in aqueous solution
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Iron(III) chloride solution in sulphuric acid
Supplier: Hach
Ferric Chloride-Sulfuric Acid Solution for determination of volatile acids by the esterification method.
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Volatile acid standards
Supplier: Hach
Acetate standard solution for accuracy checks in volatile acids determinations.
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Zinc standard solutions
Supplier: Hach
Standard solution for accuracy checks in zinc determinations.
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Ferroin (1,10-phenanthrolineferrous sulphate complex) solution indicator, for COD determination
Supplier: Hach
Oxidation-reduction indicator solution used in determination of COD by ferrous titration.
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Ferroin (1,10-phenanthrolineferrous sulphate complex) solution indicator, for COD determination (low range)
Supplier: Hach
Oxidation-reduction indicator solution used in determination of COD, low range, by ferrous titration.
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5-Sulphosalicylic acid dihydrate
Supplier: Hach
5-Sulphosalicylic acid dihydrate
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Sodium thiosulphate 0.2 mol/l (0.2 N) in aqueous solution
Supplier: Hach
Sodium thiosulphate 0.2 mol/l (0.2 N) in aqueous solution
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