Category: Science - Chemistry/Biochemistry

Lead poisoning and lead absorption

The use of lead for various industrial processes and for painting was well known to the ancients. Pliny[1] speaks of white lead, and a method of corroding lead in earthen pots with vinegar, sunk into a heap of dung, as the means by which white lead was made for paint. Agricola...

Chapters

1. CHAPTER I

The use of lead for various industrial processes and for painting was well known to the ancients. Pliny[1] speaks of white lead, and a method of corroding lead in earthen pots w...

2. CHAPTER II

Lead poisoning of industrial origin rarely occurs in the acute form. Practically all cases coming under the notice of either appointed surgeons, certifying surgeons, or even in...

3. CHAPTER III

A large number of poisonous substances, among which lead may be included, are not equally poisonous in the same dose for all persons. It is customary to speak of those persons w...

4. CHAPTER IV

Classification of notified cases of lead poisoning was carried out on practically the same lines between the years 1900 and 1909, and comparison of the data so collected has int...

5. CHAPTER V

The pathology of lead poisoning has formed the subject of scientific inquiry from the time that the association of certain pathological symptoms was definitely correlated with p...

6. CHAPTER VI

It was thought that some light might be thrown on chronic intoxication produced by lead salts if direct experiment were made upon animals, resembling in the arrangement of such...

7. CHAPTER VII

=Acute Poisoning.=--Acute poisoning by lead is not common. Industrially it hardly ever occurs. Zinn[1] states that, out of 200 cases of industrial lead poisoning in his clinic i...

8. CHAPTER VIII

In the case of the sweat there is not much evidence, but a few observers, mainly French, claim to have discovered traces of lead in the skin of lead-workers. In such a case, how...

9. CHAPTER IX

=Symptomatology and Diagnosis= (_Continued_)--=The Nervous System.=--The most definite objective symptoms of chronic poisoning by means of lead are those of the nervous system....

10. CHAPTER X

Very great assistance is afforded by chemical and histological diagnosis in the determination of cases of lead poisoning, especially when the case is likely to involve proceedin...

11. CHAPTER XI

In laying down the general lines of treatment for both lead poisoning and lead absorption, it is essential in the first place to distinguish carefully between the two states; fo...

12. CHAPTER XII

=Amount of Lead Fume and Dust in the Atmosphere Breathed.=--Lead fuses at 325° C. and boils at between 1450° and 1,600° C. It is volatile when heated to a cherry-red colour--abo...

13. CHAPTER XIII

=Periodical Examination.=--In various codes of regulations a surgeon is required to make periodical medical examination of the workers. The term “surgeon” is defined as the “Cer...

14. PART I.

+--------------------------------+-------------------------------+ |List of Persons Employed in | Particulars of Examination. | | Processes.| | +---+--------+--------+----------...

15. PART II.

+----------+------------+---------+---------------------+---------+ | | | | Particulars of any | | | | | | Directions given by | | | | | |the Surgeon. Any Cer-| | | | | | tifica...

16. CHAPTER XIV

=Overalls and Head Coverings.=--Stress has been laid on the wearing of overalls and head coverings in processes giving rise to dust or to splashes of glaze or paint in special r...

17. CHAPTER XV

=Lead Smelting and Silver Refining.=--Lead poisoning very rarely occurs in lead mining in Europe, as galena (sulphide of lead), the principal ore in which the metal is found, is...

18. CHAPTER XVI

=Manufacture of White Lead[20].=--The usual method in this country is that known as the “Dutch process,” although the German chamber process, precipitation processes, and others...

19. CHAPTER XVII

=Coach-Painting[34].=--Lead poisoning is peculiarly prevalent in this industry, and no corresponding reduction in the number reported can be observed from year to year (see the...