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Potassium Hydrogen Phthalate
Potassium Hydrogen Phthalate (KHP) is a classic primary standard substance in that it is readily available in high purity; is relatively inexpensive; is easy to dry; is neither hygroscopic, oxidized by air, nor affected by Carbon Dioxide (thus making it easy to weigh out)...
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Sep 21, 2018
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Products
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Compendial Reagents
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ASTM
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Water (vol. 11)
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9301 ( R9301000 )
9301 ( R9301000 )
Water Hardness Indicator, 1% Eriochrome Black T in 20% Triethanolamine/80% Isopropyl Alcohol
Products Available
Product
Size
Container
Shelf Life
HazMat Info
Lots Available
List Price
Your Price
9301-4 ( R9301000-120C )
120 mL
amber glass
12 months
UN2924
View Lots
$39.27
$39.27
9301-16 ( R9301000-500C )
500 mL
amber glass
12 months
UN2924
View Lots
$77.77
$77.77
Reagent for the Following
Reference
Method
Test
Reagent #
Reagent Name
ASTM
Titration
Hardness
7.7.1
Hardness Indicator Solution