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EC number: 404-950-0
CAS number: 21369-64-2
Influence of Lithium hydroxide monohydrat on
the growth of Pseudokirchneriella subcapitata:
Calculation based on
Growth rate r
95 % conf. limits
36.78 - 47.09
120.05 - 196.12
The influence of the test item Lithium
hydroxide monohydrate on the growth of Pseudokirchneriella subcapitata
was investigated in a 72 h static test according to EU method C.3 and
OECD Guideline No. 201. The test item had a statistically significant
inhibitory effect on the growth based on the average specific growth
rate, yield and areas under the curves of Pseudokirchneriella
subcapitata after the exposure period of 72 hours in the concentration
range of 20 - 160 mg/L test item/L (Bonferroni t-Test, alpha=0.05). The
test concentration of 20 mg/L was determined as the 72-hour LOEC. The
results showed an EC50 value of 41.62 mg/L based on biomass and 153.44
mg/L based on growth rate. The NOEC based on growth rate for Lithium
hydroxide monohydrate was 10 mg/L.
Based on read across approach the calculated
values of EC50 and NOEC for n-Hexyllithium are 337 mg/L and 22 mg/L
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