Correct

染液

/ rǎn yè / 
Strokes

Example

As a Noun

dye solution

1
Suānxìng
酸性
  
/
jiǎnxìng
碱性
rǎnyè
染液

acid/alkaline dye solution

2
Gāonóngdù
高浓度
rǎnyè
染液

concentrated/neat/strong dye solution

3
Dī
低
nóngdù
浓度
rǎnyè
染液

dilute/weak dye solution

4
Bǎohé
饱和
rǎnyè
染液

saturated dye solution