scholarly journals Lead pipe fracture

2022 ◽  
Author(s):  
Daniel Bell
Keyword(s):  
Lead Pipe

Lead pipe sign in ulcerative colitis

2017 ◽  
Vol 43 (6) ◽  
pp. 1502-1503 ◽  
Author(s):  
Eduardo Kaiser Ururahy Nunes Fonseca ◽  
Fernando Ide Yamauchi ◽  
Renato Alonso Moron ◽  
Ronaldo Hueb Baroni
Keyword(s):  
Ulcerative Colitis ◽  
Lead Pipe

Contamination of tap water by lead pipe and solder

1976 ◽  
Vol 15 (5) ◽  
pp. 530-534 ◽  
Author(s):  
C. S. Wong ◽  
P. Berrang
Keyword(s):  
Tap Water ◽  
Lead Pipe

scholarly journals Worth a Closer Look: Raman Spectra of Lead-Pipe Scale

Minerals ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 1047
Author(s):  
Jill Dill Pasteris ◽  
Yeunook Bae ◽  
Daniel E. Giammar ◽  
Sydney N. Dybing ◽  
Claude H. Yoder ◽  
...  
Keyword(s):  
Cross Sections ◽  
Water System ◽  
Analytical Techniques ◽  
Real Time Analysis ◽  
Fiber Optic Probes ◽  
Lead Pipe ◽  
Lead Pipes ◽  
Non Destructive

The identification and characterization of lead-bearing and associated minerals in scales on lead pipes are essential to understanding and predicting the mobilization of lead into drinking water. Despite its long-recognized usefulness in the unambiguous identification of crystalline and amorphous solids, distinguishing between polymorphic phases, and rapid and non-destructive analysis on the micrometer spatial scale, the Raman spectroscopy (RS) technique has been applied only occasionally in the analysis of scales in lead service lines (LSLs). This article illustrates multiple applications of RS not just for the identification of phases, but also compositional and structural characterization of scale materials in harvested lead pipes and experimental pipe-loop/recirculation systems. RS is shown to be a sensitive monitor of these characteristics through analyses on cross-sections of lead pipes, raw interior pipe walls, particulates captured in filters, and scrapings from pipes. RS proves to be especially sensitive to the state of crystallinity of scale phases (important to their solubility) and to the specific chemistry of phases precipitated upon the introduction of orthophosphate to the water system. It can be used effectively alone as well as in conjunction with more standard analytical techniques. By means of fiber-optic probes, RS has potential for in situ, real-time analysis within water-filled pipes.

Failure Analysis of Dissimilar Steel Weld Cracking on High and Medium Pressure Guide Pipe

2017 ◽  
Vol 898 ◽  
pp. 1103-1109
Author(s):  
Xin Zhang ◽  
An Sheng Chen ◽  
Xiao Ru Wang ◽  
Jia Qing Wang ◽  
Man Sheng Ni ◽  
...  
Keyword(s):  
Welding Process ◽  
Hardness Test ◽  
Steel Weld ◽  
Joint Region ◽  
Temperature Zone ◽  
Dissimilar Steel ◽  
Medium Pressure ◽  
Pressure Pipe ◽  
Lead Pipe ◽  
Nickel Base

The hardness test and microstructure characterization were adopted to analyze the cracking failure of dissimilar steel weld cracking on high and medium pressure steam lead pipe. The materials of the cylinder, the guide pipe and the welding material were ZG15Cr2Mo1, 1Cr9Mo1VNbN and AWS 5. 11 ENiCrFe-1, respectively. The study showed that the hardness of the fusion line was higher than that of the adjacent base metal (ZG15Cr2Mo1) and nickel base welding, which was the weak area. The pressure pipe cracking is high temperature fatigue crack. The grains in the weld joint region were coarse, indicating that the welding specification is too broad and the time for welding remaining in the sensitized temperature zone is too long. The improper welding process was the main reason for the welding cracking of the high and medium pressure guide pipe.

Weighing Lead Pipe Replacement

Opflow ◽  
2003 ◽  
Vol 29 (1) ◽  
pp. 12-14
Author(s):  
Glen R. Boyd ◽  
Gregory J. Kirmeyer ◽  
Michael Caprara
Keyword(s):  
Lead Pipe ◽  
Pipe Replacement

Tools for Lead Pipe Work

Plumbing ◽  
1970 ◽  
pp. 9-10
Author(s):  
F. Hall
Keyword(s):  
Lead Pipe ◽  
Pipe Work
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