Total hardness test reagents | Reagents and test solutions | Reference Materials

Weiyel Reference Materials

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Weiyel > Environment > Reagents and test solutions > Total hardness test reagents

Total hardness test reagents

  • Price： $240
  • Cat No.：BWZ6067-2016
  • Form：Liquid State
  • Term of validit：6 Months
Pack Size:
  • 6 bottles/set , pH=10.0
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Essential Information Magnitude Information Related Products
Total hardness test reagents Essential Information
Form Liquid State
Stroma Water
Packing Plastic/Brown glass bottle
Save conditions Refrigeration(4±4）℃ Store airtight and away from light place.Before use, the temperature should be adjusted to Room temperature，shake uniformity.Used up after opening,prevent contamination during use.
Magnitude Information
No Analyte Standard value Uncertainty(k=2) CAS
1 Ammonium chloride ammonium hydroxide buffer solution pH=10.0 / /
2 Sodium sulfide 50g/L / 1313-84-4
3 Hydroxyamine hydrochloride solution A 1g / 5470-11-1
Hydroxyamine hydrochloride solution B / / 7732-18-5
4 Eriochrome Black T 0.50%(w/v) / 1787-61-7
5 Ethylenediaminetetraacetic acid disodium salt titration solution standard substance 0.01007mol/L 0.3% 139-33-3
6 Ca 10mmol/L 1% 7440-70-2
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