SH119 Petroleum Product Ash Tester for Ash & Sulfated Ash Test ASTM D482 Standards: GB/T 508, ASTM D482, GB/T 2433, SH/T 0067 Engineered to comply with GB/T 508 Determination of Ash in Petroleum Products , ASTM D482, GB/T 2433 Sulfated Ash Test for Additives & Additive‑containing Lubricants , and SH/T 0067 Ash Content Testing for Engine Coolants and Rust Preventatives , the SH119 Petroleum Product Ash Analyzer gauges ash levels within petroleum goods as well as sulfated ash