This standard specifies methods for testing the color of chemical products that are liquid at room temperature or that become molten when heated. This test method applies to transparent liquids with a similar color tone to the Hazen standard colorimetric liquid.
JIS K 0071-1:1998 history
2017JIS K 0071-1:2017 Test methods for colour of chemical products -- Part 1: Estimation of colour in Hazen units (platinum-cobalt colour scale)
1998JIS K 0071-1:1998 Testing methods for colour of chemical products -- Part 1: Estimation of colour in Hazen units (platinum-cobalt scale)