Meaning of "permanent hardness" in the English dictionary

PRONUNCIATION OF PERMANENT HARDNESS

permanent hardness

GRAMMATICAL CATEGORY OF PERMANENT HARDNESS

Permanent hardness is a noun.

A noun is a type of word the meaning of which determines reality. Nouns provide the names for all things: people, objects, sensations, feelings, etc.

WHAT DOES PERMANENT HARDNESS MEAN IN ENGLISH?

Definition of permanent hardness in the English dictionary

The definition of permanent hardness in the dictionary is hardness of water that cannot be removed by boiling as it results mainly from the presence of calcium and magnesium chlorides and sulphates.

TRANSLATION OF PERMANENT HARDNESS

Find out the translation of permanent hardness to 25 languages with our English multilingual translator.

The translations of permanent hardness from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «permanent hardness» in English.

• Translator English - Chinese: 永久硬度
• Translator English - Spanish: dureza permanente
• English: permanent hardness
• Translator English - Hindi: स्थायी कठोरता
• Translator English - Arabic: صلابة دائمة
• Translator English - Russian: постоянная жесткость
• Translator English - Portuguese: dureza permanente
• Translator English - Bengali: স্থায়ী কষ্ট
• Translator English - French: dureté permanente
• Translator English - Malay: Kekerasan kekal
• Translator English - German: permanente Härte
• Translator English - Japanese: 永久硬度
• Translator English - Korean: 영구 경도
• Translator English - Javanese: Kekerasan permanen
• Translator English - Vietnamese: độ cứng vĩnh viễn
• Translator English - Tamil: நிரந்தர கடினத்தன்மை
• Translator English - Marathi: कायम कडकपणा
• Translator English - Turkish: Kalıcı sertlik
• Translator English - Italian: durezza permanente
• Translator English - Polish: twardość stałe
• Translator English - Ukrainian: постійна жорсткість
• Translator English - Romanian: duritate permanentă
• Translator English - Greek: μόνιμη σκληρότητα
• Translator English - Afrikaans: permanente hardheid
• Translator English - Swedish: permanent hårdhet
• Translator English - Norwegian: permanent hardhet

10 ENGLISH BOOKS RELATING TO «PERMANENT HARDNESS»

Discover the use of permanent hardness in the following bibliographical selection. Books relating to permanent hardness and brief extracts from same to provide context of its use in English literature.

Chemistry for Engineers

1 . 100 ml of water sample requires 20 ml N/ 100 EDTA in titration using NH4C1 — NH4OH buffer and EBT indicator. Calculate its hardness. [Ans. 100 ppm] 2. Calculate temporary and permanent hardness of water during soap titration method, ...

Dr. B.K. Ambasta, 2006

Calculations for A-level Chemistry

Calculate the concentration of calcium and magnesium present as permanent hardness and the concentration of calcium and magnesium present as temporary hardness. METHOD Total hardness requires 2.10 cm3 of 0.100 mol dm"3 edta ...

E. N. Ramsden, 1995

Engineering Chemistry

82 =11.64)+ 19.47+ 10.42) = 46.84 x (74/1 00) = 34.66 mg of lime/1 of water Lime requirement for 20,000 liters of water = 693.2 g Soda requirement = (permanent hardness) x MW of Na2CO3/MWofCaCO3 = (19.47+ 10.42+ 16.54) = 46.41 x( ...

Sivasankar, 2008

Engineering Chemistry

Ca(HCO3)2 → CaCO3 ↓ + H2O + CO2 Mg(HCO3)2 → MgCO3 ↓ + H2O + CO2 Permanent hardness (non-carbonate hardness): Permanent hardness is caused by the dissolved salts of calcium and magnesium, other than bicarbonates.

Gadag, R.V. Gadag, A. Nityananda Shetty, 2007

Applied Chemistry : Theory And Practice

(3) Determination of Permanent Hardness using a Mixture of Na2CO3 and NaOH : An aliquot of the hard water sample is boiled with a known excess of alkali mixture (Na?CO3 + NaOH). This precipitates permanent hardness due to Ca + and ...

O. P. Vermani, 2003

Handbook of Analysis and Quality Control for Fruit and ...

Temporary and Permanent Hardness Temporary hardness of water is caused by carbonates and bicarbonates of calcium and magnesium. Permanent hardness is assumed to be always due to calcium sulphate, although sulphates and ...

S. Ranganna, 1986

The Science of Water: Concepts and Applications, Second Edition

Note: The two types of water hardness are temporary hardness and permanent hardness. Temporary hardness is also known as carbonate hardness (hardness that can be removed by boiling); permanent hardness is also known as ...

Frank R. Spellman, 2000

Industrial Chemistry

volumes of N/10 NaOH and N/10 Na2C03 to a given volume of boiled water containing permanent hardness. When a solution of sodium carbonate is added to water containing dissolved sulphates and chlorides of Ca and Mg, the following ...

B.K Sharma

Comprehensive Engineering Chemistry

VV12- 50 gm of CaCO3 equi. per litre Temporary hardness = ppm () 50103 VV12610- ́ ́ (b) Determination of the permanent hardness: It is based on the fact that it can be removed by boiling with a known excess of standard sodium carbonate.

Devender Singh, Satish Kumar Vats, 2007

Analytical Chemistry

Mg(HCO3)2 + Ca(OH)2 — » Mg CO3 i + CaCO3 i + 2H2O Carbonate hardness is also responsible for the alkalinity of water. ii) Permanent hardness or non- carbonate hardness Permanent hardness is caused by the presence of soluble salts ...

G.L. David, 2001

NEWS ITEMS WHICH INCLUDE THE TERM «PERMANENT HARDNESS»

Find out what the national and international press are talking about and how the term permanent hardness is used in the context of the following news items.

Liquid feeding

Temporary hardness can cause limescale inside pipes and outlet blocking, whereas permanent hardness tends to create soil pH changes ... «Horticulture Week, Apr 14»