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Table 2 Articles about chemicals from the Stockholm list of Persistent Organic Chemicals (POP-list) in the journal Chemosphere as registered by SciFinder, WoS, Scopus and Google Scholar

From: Identification of environmentally relevant chemicals in bibliographic databases: a comparative analysis

Substance

CAS nr

SciFinder/rt

SciFinder

Scopus

WoS

Google

Google

/rn

/ti,ab,kw

/tp3)

Scholar, tot

Scholar, -cit

Aldrin

309-00-2 1)

88

88

45

36

167

142

Chlordane

57-74-9 2)

121

1

71

67

241

184

Dieldrin

60-57-1

114

114

62

52

236

172

Endrin

72-20-8

74

72

34

26

126

107

Heptachlor

76-44-8

111

90

57

46

183

153

Hexachlor-benzene or HCB

118-74-1

259

233

129

174

589

401

  1. Year 2000-2009.
  2. rt=reseach topic, ti=title, ab=abstract, kw=keyword, au=author, tot=total, cit= citations.
  3. 1) Found under different CAS numbers which all translates to 309-00-2.
  4. 2) CAS number from official list. May be registered as cis- or trans-chlordane with different number.
  5. 3) Topic is equivalent to the search fields ti,au,ab and kw but not keywordplus.