ICS 73.080 D 54 DB32 江苏省地方标准 DB32/T 3668-2019 凹凸棒石粘土矿分级规范 Grading Rules for Attapulgite Clay 2019-12-03 发布 2019-12-25 实施 江苏省市场监督管理局 发布 目 录 前 言 ................................ ................................ ... II 1 范围 ................................ ................................ ...... 1 2 规范性引用文件 ................................ ............................. 1 3 术语和定义 ................................ ................................ . 1 3.1 凹凸棒石粘土矿 ................................ ....................... 1 4 分级和要求 ................................ ................................ . 1 4 .1 胶体级凹凸棒石粘土矿 ................................ ................. 1 4 .2 吸附级凹凸棒石粘土矿 ................................ ................. 2 5 取样和制样 ................................ ................................ . 2 5 .1 仪器、设备及试剂 ................................ ..................... 2 5 .2 取样规则 ................................ ............................. 2 5 .3 制样方法 ................................ ............................. 3 6 试验方法 ................................ ................................ ... 3 6.1 粘度的测定 ................................ ........................... 3 6.2 脱色率的测定 ................................ ......................... 4 6.3 含水量的测定 ................................ ......................... 4 6.4 含砂量的测定 ................................ ......................... 4 6.5 凹凸棒石含量的测定 ................................ ................... 5 7 检验规则 ................................ ................................ ... 6 7.1 出厂检验 ................................ .......